120010021202021 has 2 divisors, whose sum is σ = 120010021202022. Its totient is φ = 120010021202020.

The previous prime is 120010021201991. The next prime is 120010021202023. The reversal of 120010021202021 is 120202120010021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118859840025796 + 1150181176225 = 10902286^2 + 1072465^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010021202021 - 2²² = 120010017007717 is a prime.

Together with 120010021202023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120010021201987 and 120010021202005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120010021202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005010601010 + 60005010601011.

It is an arithmetic number, because the mean of its divisors is an integer number (60005010601011).

Almost surely, 2^{120010021202021} is an apocalyptic number.

It is an amenable number.

120010021202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010021202021 is an equidigital number, since it uses as much as digits as its factorization.

120010021202021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120010021202021 its reverse (120202120010021), we get a palindrome (240212141212042).

The spelling of 120010021202021 in words is "one hundred twenty trillion, ten billion, twenty-one million, two hundred two thousand, twenty-one".