1020112210120 has 64 divisors (see below), whose sum is σ = 2325905637120. Its totient is φ = 402624048384.

The previous prime is 1020112210069. The next prime is 1020112210171. The reversal of 1020112210120 is 210122110201.

It is an interprime number because it is at equal distance from previous prime (1020112210069) and next prime (1020112210171).

It is a super-2 number, since 2×1020112210120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020112210120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694309 + ... + 1588171.

It is an arithmetic number, because the mean of its divisors is an integer number (36342275580).

Almost surely, 2^{1020112210120} is an apocalyptic number.

1020112210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020112210120 is an abundant number, since it is smaller than the sum of its proper divisors (1305793427000).

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

1020112210120 is a wasteful number, since it uses less digits than its factorization.

1020112210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894254 (or 894250 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020112210120 its reverse (210122110201), we get a palindrome (1230234320321).

The spelling of 1020112210120 in words is "one trillion, twenty billion, one hundred twelve million, two hundred ten thousand, one hundred twenty".