1210121122 has 16 divisors (see below), whose sum is σ = 2113636032. Its totient is φ = 508837680.

The previous prime is 1210121117. The next prime is 1210121197. The reversal of 1210121122 is 2211210121.

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, 814704 + ... + 816187.

It is an arithmetic number, because the mean of its divisors is an integer number (132102252).

Almost surely, 2^1210121122 is an apocalyptic number.

1210121122 is a deficient number, since it is larger than the sum of its proper divisors (903514910).

1210121122 is a wasteful number, since it uses less digits than its factorization.

1210121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630953.

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

The square root of 1210121122 is about 34786.7952246251. The cubic root of 1210121122 is about 1065.6377914685.

Adding to 1210121122 its reverse (2211210121), we get a palindrome (3421331243).

The spelling of 1210121122 in words is "one billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".