212102211111010 has 64 divisors (see below), whose sum is σ = 416670612793344. Its totient is φ = 77094933350400.

The previous prime is 212102211110983. The next prime is 212102211111073. The reversal of 212102211111010 is 10111112201212.

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, 7718126470 + ... + 7718153950.

It is an arithmetic number, because the mean of its divisors is an integer number (6510478324896).

Almost surely, 2^{212102211111010} is an apocalyptic number.

212102211111010 is a deficient number, since it is larger than the sum of its proper divisors (204568401682334).

212102211111010 is a wasteful number, since it uses less digits than its factorization.

212102211111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55099.

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

Adding to 212102211111010 its reverse (10111112201212), we get a palindrome (222213323312222).

It can be divided in two parts, 212102 and 211111010, that added together give a palindrome (211323112).

The spelling of 212102211111010 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, one hundred eleven thousand, ten".