1210211122 has 16 divisors (see below), whose sum is σ = 1878782400. Its totient is φ = 583969680.

The previous prime is 1210211039. The next prime is 1210211173. The reversal of 1210211122 is 2211120121.

It is a super-2 number, since 2×1210211122² = 2929221919624997768, which contains 22 as substring.

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, 186529 + ... + 192907.

It is an arithmetic number, because the mean of its divisors is an integer number (117423900).

Almost surely, 2^1210211122 is an apocalyptic number.

1210211122 is a deficient number, since it is larger than the sum of its proper divisors (668571278).

1210211122 is a wasteful number, since it uses less digits than its factorization.

1210211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1210211122 is about 34788.0887948735. The cubic root of 1210211122 is about 1065.6642089408.

Adding to 1210211122 its reverse (2211120121), we get a palindrome (3421331243).

The spelling of 1210211122 in words is "one billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-two".