120101102121 has 384 divisors, whose sum is σ = 241868353536. Its totient is φ = 51239485440.

The previous prime is 120101102119. The next prime is 120101102167. The reversal of 120101102121 is 121201101021.

It is not a de Polignac number, because 120101102121 - 2¹ = 120101102119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101102097 and 120101102106.

It is not an unprimeable number, because it can be changed into a prime (120101102101) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1645220541 + ... + 1645220613.

It is an arithmetic number, because the mean of its divisors is an integer number (629865504).

Almost surely, 2^120101102121 is an apocalyptic number.

120101102121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120101102121 is an abundant number, since it is smaller than the sum of its proper divisors (121767251415).

120101102121 is a wasteful number, since it uses less digits than its factorization.

120101102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101102121 its reverse (121201101021), we get a palindrome (241302203142).

It can be divided in two parts, 120101 and 102121, that added together give a palindrome (222222).

The spelling of 120101102121 in words is "one hundred twenty billion, one hundred one million, one hundred two thousand, one hundred twenty-one".