213101004120 has 32 divisors (see below), whose sum is σ = 639303012720. Its totient is φ = 56826934400.

The previous prime is 213101004113. The next prime is 213101004121. The reversal of 213101004120 is 21400101312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213101004120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101004121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887920731 + ... + 887920970.

Almost surely, 2^213101004120 is an apocalyptic number.

213101004120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213101004120 is an abundant number, since it is smaller than the sum of its proper divisors (426202008600).

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

213101004120 is a wasteful number, since it uses less digits than its factorization.

213101004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775841715 (or 1775841711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213101004120 its reverse (21400101312), we get a palindrome (234501105432).

The spelling of 213101004120 in words is "two hundred thirteen billion, one hundred one million, four thousand, one hundred twenty".