120002121022 has 24 divisors (see below), whose sum is σ = 216146024640. Its totient is φ = 49770463680.

The previous prime is 120002121013. The next prime is 120002121061. The reversal of 120002121022 is 220121200021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120002120993 and 120002121011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19747147 + ... + 19753222.

It is an arithmetic number, because the mean of its divisors is an integer number (9006084360).

Almost surely, 2^120002121022 is an apocalyptic number.

120002121022 is a deficient number, since it is larger than the sum of its proper divisors (96143903618).

120002121022 is a wasteful number, since it uses less digits than its factorization.

120002121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39500416 (or 39500409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120002121022 its reverse (220121200021), we get a palindrome (340123321043).

The spelling of 120002121022 in words is "one hundred twenty billion, two million, one hundred twenty-one thousand, twenty-two".