2111120211210 has 64 divisors (see below), whose sum is σ = 5307551661312. Its totient is φ = 536393302016.

The previous prime is 2111120211181. The next prime is 2111120211223. The reversal of 2111120211210 is 121120211112.

It is a happy number.

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 2111120211210.

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, 5775189 + ... + 6129848.

It is an arithmetic number, because the mean of its divisors is an integer number (82930494708).

Almost surely, 2^{2111120211210} is an apocalyptic number.

2111120211210 is an abundant number, since it is smaller than the sum of its proper divisors (3196431450102).

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

2111120211210 is a wasteful number, since it uses less digits than its factorization.

2111120211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905327.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111120211210 its reverse (121120211112), we get a palindrome (2232240422322).

The spelling of 2111120211210 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".