12220111220101 has 16 divisors (see below), whose sum is σ = 12572912488384. Its totient is φ = 11872335556224.

The previous prime is 12220111220089. The next prime is 12220111220111. The reversal of 12220111220101 is 10102211102221.

It is a cyclic number.

It is not a de Polignac number, because 12220111220101 - 2⁷ = 12220111219973 is a prime.

It is a super-2 number, since 2×12220111220101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220111220111) 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, 197971495 + ... + 198033211.

It is an arithmetic number, because the mean of its divisors is an integer number (785807030524).

Almost surely, 2^{12220111220101} is an apocalyptic number.

It is an amenable number.

12220111220101 is a deficient number, since it is larger than the sum of its proper divisors (352801268283).

12220111220101 is an equidigital number, since it uses as much as digits as its factorization.

12220111220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102340.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12220111220101 its reverse (10102211102221), we get a palindrome (22322322322322).

The spelling of 12220111220101 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty thousand, one hundred one".