120021120020122 has 32 divisors (see below), whose sum is σ = 181333436359680. Its totient is φ = 59577478052400.

The previous prime is 120021120020107. The next prime is 120021120020141. The reversal of 120021120020122 is 221020021120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021120020096 and 120021120020105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154541247 + ... + 1154645197.

It is an arithmetic number, because the mean of its divisors is an integer number (5666669886240).

Almost surely, 2^{120021120020122} is an apocalyptic number.

120021120020122 is a deficient number, since it is larger than the sum of its proper divisors (61312316339558).

120021120020122 is a wasteful number, since it uses less digits than its factorization.

120021120020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107938.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021120020122 its reverse (221020021120021), we get a palindrome (341041141140143).

The spelling of 120021120020122 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, twenty thousand, one hundred twenty-two".