1022111210120 has 128 divisors (see below), whose sum is σ = 3087776643840. Its totient is φ = 294073943040.

The previous prime is 1022111210117. The next prime is 1022111210167. The reversal of 1022111210120 is 210121112201.

It is a super-2 number, since 2×1022111210120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1022111210095 and 1022111210104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12723587 + ... + 12803666.

It is an arithmetic number, because the mean of its divisors is an integer number (24123255030).

Almost surely, 2^{1022111210120} is an apocalyptic number.

1022111210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022111210120 is an abundant number, since it is smaller than the sum of its proper divisors (2065665433720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022111210120 is a wasteful number, since it uses less digits than its factorization.

1022111210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25527295 (or 25527291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022111210120 its reverse (210121112201), we get a palindrome (1232232322321).

The spelling of 1022111210120 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred ten thousand, one hundred twenty".