1220010111201 has 16 divisors (see below), whose sum is σ = 1864420568064. Its totient is φ = 695139556944.

The previous prime is 1220010111193. The next prime is 1220010111239. The reversal of 1220010111201 is 1021110100221.

It is not a de Polignac number, because 1220010111201 - 2³ = 1220010111193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220010111601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 83704125 + ... + 83718698.

It is an arithmetic number, because the mean of its divisors is an integer number (116526285504).

Almost surely, 2^{1220010111201} is an apocalyptic number.

It is an amenable number.

1220010111201 is a deficient number, since it is larger than the sum of its proper divisors (644410456863).

1220010111201 is a wasteful number, since it uses less digits than its factorization.

1220010111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167423180.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220010111201 its reverse (1021110100221), we get a palindrome (2241120211422).

The spelling of 1220010111201 in words is "one trillion, two hundred twenty billion, ten million, one hundred eleven thousand, two hundred one".