120021122 has 24 divisors (see below), whose sum is σ = 205968756. Its totient is φ = 52132608.

The previous prime is 120021101. The next prime is 120021137. The reversal of 120021122 is 221120021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 86508601 + 33512521 = 9301^2 + 5789^2 .

It is a super-2 number, since 2×120021122² = 28810139452277768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473 + ... + 15500.

Almost surely, 2^120021122 is an apocalyptic number.

120021122 is a deficient number, since it is larger than the sum of its proper divisors (85947634).

120021122 is a wasteful number, since it uses less digits than its factorization.

120021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022 (or 16005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 120021122 is about 10955.4151906717. The cubic root of 120021122 is about 493.2713527969.

Adding to 120021122 its reverse (221120021), we get a palindrome (341141143).

It can be divided in two parts, 1200 and 21122, that added together give a palindrome (22322).

The spelling of 120021122 in words is "one hundred twenty million, twenty-one thousand, one hundred twenty-two".