101102020002100 has 72 divisors (see below), whose sum is σ = 236285460561248. Its totient is φ = 37327161571200.

The previous prime is 101102020002079. The next prime is 101102020002119. The reversal of 101102020002100 is 1200020201101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14352607 + ... + 20203993.

Almost surely, 2^{101102020002100} is an apocalyptic number.

101102020002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101102020002100 is an abundant number, since it is smaller than the sum of its proper divisors (135183440559148).

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

101102020002100 is a wasteful number, since it uses less digits than its factorization.

101102020002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864705 (or 5864698 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101102020002100 its reverse (1200020201101), we get a palindrome (102302040203201).

The spelling of 101102020002100 in words is "one hundred one trillion, one hundred two billion, twenty million, two thousand, one hundred".