120000110021 has 8 divisors (see below), whose sum is σ = 135132089088. Its totient is φ = 105571944000.

The previous prime is 120000109981. The next prime is 120000110071. The reversal of 120000110021 is 120011000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120000110021 - 2¹⁴ = 120000093637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120000109990 and 120000110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000110071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175952900 + ... + 175953581.

It is an arithmetic number, because the mean of its divisors is an integer number (16891511136).

Almost surely, 2^120000110021 is an apocalyptic number.

120000110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120000110021 is a deficient number, since it is larger than the sum of its proper divisors (15131979067).

120000110021 is a wasteful number, since it uses less digits than its factorization.

120000110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351906523.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120000110021 its reverse (120011000021), we get a palindrome (240011110042).

Subtracting 120000110021 from its reverse (120011000021), we obtain a square (10890000 = 3300²).

The spelling of 120000110021 in words is "one hundred twenty billion, one hundred ten thousand, twenty-one".