1012100223100 has 36 divisors (see below), whose sum is σ = 2242986377184. Its totient is φ = 396226468480.

The previous prime is 1012100223037. The next prime is 1012100223163. The reversal of 1012100223100 is 13220012101.

It is an interprime number because it is at equal distance from previous prime (1012100223037) and next prime (1012100223163).

It is a super-2 number, since 2×1012100223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107665537 + ... + 107674936.

It is an arithmetic number, because the mean of its divisors is an integer number (62305177144).

Almost surely, 2^{1012100223100} is an apocalyptic number.

1012100223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012100223100 is an abundant number, since it is smaller than the sum of its proper divisors (1230886154084).

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

1012100223100 is a wasteful number, since it uses less digits than its factorization.

1012100223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215340534 (or 215340527 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1012100223100 its reverse (13220012101), we get a palindrome (1025320235201).

The spelling of 1012100223100 in words is "one trillion, twelve billion, one hundred million, two hundred twenty-three thousand, one hundred".