120122110001021 has 12 divisors (see below), whose sum is σ = 127700221424160. Its totient is φ = 112951961917080.

The previous prime is 120122110000993. The next prime is 120122110001039. The reversal of 120122110001021 is 120100011221021.

It is not a de Polignac number, because 120122110001021 - 2⁶ = 120122110000957 is a prime.

It is a super-2 number, since 2×120122110001021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122110000987 and 120122110001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122110001071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924324145 + ... + 1924386566.

It is an arithmetic number, because the mean of its divisors is an integer number (10641685118680).

Almost surely, 2^{120122110001021} is an apocalyptic number.

It is an amenable number.

120122110001021 is a deficient number, since it is larger than the sum of its proper divisors (7578111423139).

120122110001021 is an equidigital number, since it uses as much as digits as its factorization.

120122110001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848710816 (or 3848710793 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120122110001021 its reverse (120100011221021), we get a palindrome (240222121222042).

The spelling of 120122110001021 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred ten million, one thousand, twenty-one".