1121021122 has 16 divisors (see below), whose sum is σ = 1841575680. Its totient is φ = 508624272.

The previous prime is 1121021117. The next prime is 1121021149. The reversal of 1121021122 is 2211201211.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 363858 + ... + 366925.

It is an arithmetic number, because the mean of its divisors is an integer number (115098480).

Almost surely, 2^1121021122 is an apocalyptic number.

1121021122 is a deficient number, since it is larger than the sum of its proper divisors (720554558).

1121021122 is a wasteful number, since it uses less digits than its factorization.

1121021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730857.

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

The square root of 1121021122 is about 33481.6535135289. The cubic root of 1121021122 is about 1038.8143298595.

Adding to 1121021122 its reverse (2211201211), we get a palindrome (3332222333).

The spelling of 1121021122 in words is "one billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-two".