101012213100 has 36 divisors (see below), whose sum is σ = 292262004104. Its totient is φ = 26936590080.

The previous prime is 101012213051. The next prime is 101012213123. The reversal of 101012213100 is 1312210101.

It is a super-2 number, since 2×101012213100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168353389 + ... + 168353988.

Almost surely, 2^101012213100 is an apocalyptic number.

101012213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012213100 is an abundant number, since it is smaller than the sum of its proper divisors (191249791004).

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

101012213100 is a wasteful number, since it uses less digits than its factorization.

101012213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336707394 (or 336707387 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101012213100 its reverse (1312210101), we get a palindrome (102324423201).

The spelling of 101012213100 in words is "one hundred one billion, twelve million, two hundred thirteen thousand, one hundred".