1321011122 has 16 divisors (see below), whose sum is σ = 2050202112. Its totient is φ = 637709760.

The previous prime is 1321011101. The next prime is 1321011149. The reversal of 1321011122 is 2211101231.

It is a junction number, because it is equal to n+sod(n) for n = 1321011097 and 1321011106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 51449.

It is an arithmetic number, because the mean of its divisors is an integer number (128137632).

Almost surely, 2^1321011122 is an apocalyptic number.

1321011122 is a deficient number, since it is larger than the sum of its proper divisors (729190990).

1321011122 is a wasteful number, since it uses less digits than its factorization.

1321011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49673.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1321011122 is about 36345.7166939930. The cubic root of 1321011122 is about 1097.2413303421.

Adding to 1321011122 its reverse (2211101231), we get a palindrome (3532112353).

The spelling of 1321011122 in words is "one billion, three hundred twenty-one million, eleven thousand, one hundred twenty-two".