1321321120122 has 16 divisors (see below), whose sum is σ = 2654283838752. Its totient is φ = 438500106960.

The previous prime is 1321321120111. The next prime is 1321321120139. The reversal of 1321321120122 is 2210211231231.

It is a super-3 number, since 3×1321321120122³ (a number of 37 digits) contains 333 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, 485065129 + ... + 485067852.

It is an arithmetic number, because the mean of its divisors is an integer number (165892739922).

Almost surely, 2^{1321321120122} is an apocalyptic number.

1321321120122 is an abundant number, since it is smaller than the sum of its proper divisors (1332962718630).

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

1321321120122 is a wasteful number, since it uses less digits than its factorization.

1321321120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970133213.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1321321120122 its reverse (2210211231231), we get a palindrome (3531532351353).

The spelling of 1321321120122 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".