20100102100110 has 64 divisors (see below), whose sum is σ = 53601209812800. Its totient is φ = 5359933472256.

The previous prime is 20100102100081. The next prime is 20100102100157. The reversal of 20100102100110 is 1100120100102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20100102100092 and 20100102100101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15559722 + ... + 16801938.

It is an arithmetic number, because the mean of its divisors is an integer number (837518903325).

Almost surely, 2^{20100102100110} is an apocalyptic number.

20100102100110 is an abundant number, since it is smaller than the sum of its proper divisors (33501107712690).

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

20100102100110 is a wasteful number, since it uses less digits than its factorization.

20100102100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302162 (or 1302156 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20100102100110 its reverse (1100120100102), we get a palindrome (21200222200212).

The spelling of 20100102100110 in words is "twenty trillion, one hundred billion, one hundred two million, one hundred thousand, one hundred ten".