20100110001210 has 96 divisors (see below), whose sum is σ = 52421684672448. Its totient is φ = 5343494883840.

The previous prime is 20100110001137. The next prime is 20100110001341. The reversal of 20100110001210 is 1210001100102.

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 = 20100110001192 and 20100110001201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50110509 + ... + 50510031.

It is an arithmetic number, because the mean of its divisors is an integer number (546059215338).

Almost surely, 2^{20100110001210} is an apocalyptic number.

20100110001210 is an abundant number, since it is smaller than the sum of its proper divisors (32321574671238).

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

20100110001210 is a wasteful number, since it uses less digits than its factorization.

20100110001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401260 (or 401257 counting only the distinct ones).

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

Adding to 20100110001210 its reverse (1210001100102), we get a palindrome (21310111101312).

The spelling of 20100110001210 in words is "twenty trillion, one hundred billion, one hundred ten million, one thousand, two hundred ten".