120122021111001 has 32 divisors (see below), whose sum is σ = 197144423900928. Its totient is φ = 63354281621760.

The previous prime is 120122021110901. The next prime is 120122021111041. The reversal of 120122021111001 is 100111120221021.

It is a happy number.

It is not a de Polignac number, because 120122021111001 - 2⁷ = 120122021110873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120122021111041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21002386 + ... + 26102571.

It is an arithmetic number, because the mean of its divisors is an integer number (6160763246904).

Almost surely, 2^{120122021111001} is an apocalyptic number.

It is an amenable number.

120122021111001 is a deficient number, since it is larger than the sum of its proper divisors (77022402789927).

120122021111001 is a wasteful number, since it uses less digits than its factorization.

120122021111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47114321.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120122021111001 its reverse (100111120221021), we get a palindrome (220233141332022).

The spelling of 120122021111001 in words is "one hundred twenty trillion, one hundred twenty-two billion, twenty-one million, one hundred eleven thousand, one".