1220122113321 has 16 divisors (see below), whose sum is σ = 1699116465600. Its totient is φ = 778016478528.

The previous prime is 1220122113293. The next prime is 1220122113347. The reversal of 1220122113321 is 1233112210221.

It is not a de Polignac number, because 1220122113321 - 2³⁴ = 1202942244137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220122111321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93146766 + ... + 93159863.

It is an arithmetic number, because the mean of its divisors is an integer number (106194779100).

Almost surely, 2^{1220122113321} is an apocalyptic number.

It is an amenable number.

1220122113321 is a deficient number, since it is larger than the sum of its proper divisors (478994352279).

1220122113321 is a wasteful number, since it uses less digits than its factorization.

1220122113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186306728.

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

Adding to 1220122113321 its reverse (1233112210221), we get a palindrome (2453234323542).

The spelling of 1220122113321 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-one".