1210021122 has 16 divisors (see below), whose sum is σ = 2525261760. Its totient is φ = 385803792.

The previous prime is 1210021093. The next prime is 1210021133. The reversal of 1210021122 is 2211200121.

It is a super-2 number, since 2×1210021122² = 2928302231372277768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210021098 and 1210021107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383997 + ... + 4384272.

It is an arithmetic number, because the mean of its divisors is an integer number (157828860).

Almost surely, 2^1210021122 is an apocalyptic number.

1210021122 is an abundant number, since it is smaller than the sum of its proper divisors (1315240638).

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

1210021122 is a wasteful number, since it uses less digits than its factorization.

1210021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768297.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1210021122 is about 34785.3578679306. The cubic root of 1210021122 is about 1065.6084371852.

Adding to 1210021122 its reverse (2211200121), we get a palindrome (3421221243).

The spelling of 1210021122 in words is "one billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".