101020102100 has 36 divisors (see below), whose sum is σ = 224311622304. Its totient is φ = 39468317280.

The previous prime is 101020102037. The next prime is 101020102121. The reversal of 101020102100 is 1201020101.

It is a super-2 number, since 2×101020102100² (a number of 23 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, 11742224 + ... + 11750823.

Almost surely, 2^101020102100 is an apocalyptic number.

101020102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020102100 is an abundant number, since it is smaller than the sum of its proper divisors (123291520204).

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

101020102100 is a wasteful number, since it uses less digits than its factorization.

101020102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493104 (or 23493097 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101020102100 its reverse (1201020101), we get a palindrome (102221122201).

The spelling of 101020102100 in words is "one hundred one billion, twenty million, one hundred two thousand, one hundred".