211122111010 has 16 divisors (see below), whose sum is σ = 380120428800. Its totient is φ = 84426482416.

The previous prime is 211122110977. The next prime is 211122111041. The reversal of 211122111010 is 10111221112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755570 + ... + 2831149.

It is an arithmetic number, because the mean of its divisors is an integer number (23757526800).

Almost surely, 2^211122111010 is an apocalyptic number.

211122111010 is a deficient number, since it is larger than the sum of its proper divisors (168998317790).

211122111010 is a wasteful number, since it uses less digits than its factorization.

211122111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590505.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211122111010 its reverse (10111221112), we get a palindrome (221233332122).

It can be divided in two parts, 211 and 122111010, that added together give a palindrome (122111221).

The spelling of 211122111010 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, ten".