213113120044 has 48 divisors (see below), whose sum is σ = 425898547200. Its totient is φ = 92361709440.

The previous prime is 213113120029. The next prime is 213113120063. The reversal of 213113120044 is 440021311312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 213113119997 and 213113120024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19644 + ... + 653155.

It is an arithmetic number, because the mean of its divisors is an integer number (8872886400).

Almost surely, 2^213113120044 is an apocalyptic number.

It is an amenable number.

213113120044 is a deficient number, since it is larger than the sum of its proper divisors (212785427156).

213113120044 is a wasteful number, since it uses less digits than its factorization.

213113120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673150 (or 673148 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213113120044 its reverse (440021311312), we get a palindrome (653134431356).

The spelling of 213113120044 in words is "two hundred thirteen billion, one hundred thirteen million, one hundred twenty thousand, forty-four".