120021122022111 has 48 divisors (see below), whose sum is σ = 177503850386304. Its totient is φ = 78128466941952.

The previous prime is 120021122022079. The next prime is 120021122022161. The reversal of 120021122022111 is 111220221120021.

120021122022111 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 211 + 220 + 221 + 11 = 666.

It is not a de Polignac number, because 120021122022111 - 2⁵ = 120021122022079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021122022161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31216635 + ... + 34849971.

It is an arithmetic number, because the mean of its divisors is an integer number (3697996883048).

Almost surely, 2^{120021122022111} is an apocalyptic number.

120021122022111 is a deficient number, since it is larger than the sum of its proper divisors (57482728364193).

120021122022111 is a wasteful number, since it uses less digits than its factorization.

120021122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633920 (or 3633917 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120021122022111 its reverse (111220221120021), we get a palindrome (231241343142132).

The spelling of 120021122022111 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".