120122222021 has 16 divisors (see below), whose sum is σ = 124572349440. Its totient is φ = 115751393520.

The previous prime is 120122221993. The next prime is 120122222027. The reversal of 120122222021 is 120222221021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122222021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122222027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542706 + ... + 2589516.

It is an arithmetic number, because the mean of its divisors is an integer number (7785771840).

Almost surely, 2^120122222021 is an apocalyptic number.

It is an amenable number.

120122222021 is a deficient number, since it is larger than the sum of its proper divisors (4450127419).

120122222021 is an equidigital number, since it uses as much as digits as its factorization.

120122222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47656.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120122222021 its reverse (120222221021), we get a palindrome (240344443042).

The spelling of 120122222021 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-one".