120020021122 has 16 divisors (see below), whose sum is σ = 186258042360. Its totient is φ = 57934453248.

The previous prime is 120020021119. The next prime is 120020021189. The reversal of 120020021122 is 221120020021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62866034361 + 57153986761 = 250731^2 + 239069^2 .

It is a super-2 number, since 2×120020021122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455728 + ... + 669124.

Almost surely, 2^120020021122 is an apocalyptic number.

120020021122 is a deficient number, since it is larger than the sum of its proper divisors (66238021238).

120020021122 is a wasteful number, since it uses less digits than its factorization.

120020021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223125.

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

Adding to 120020021122 its reverse (221120020021), we get a palindrome (341140041143).

The spelling of 120020021122 in words is "one hundred twenty billion, twenty million, twenty-one thousand, one hundred twenty-two".