12220112021101 has 16 divisors (see below), whose sum is σ = 12757854067200. Its totient is φ = 11692012737600.

The previous prime is 12220112021099. The next prime is 12220112021123. The reversal of 12220112021101 is 10112021102221.

It is a cyclic number.

It is not a de Polignac number, because 12220112021101 - 2¹ = 12220112021099 is a prime.

It is a super-2 number, since 2×12220112021101² (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 (12220112021401) 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, 4500786 + ... + 6685603.

It is an arithmetic number, because the mean of its divisors is an integer number (797365879200).

Almost surely, 2^{12220112021101} is an apocalyptic number.

It is an amenable number.

12220112021101 is a deficient number, since it is larger than the sum of its proper divisors (537742046099).

12220112021101 is a wasteful number, since it uses less digits than its factorization.

12220112021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11186820.

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

Adding to 12220112021101 its reverse (10112021102221), we get a palindrome (22332133123322).

It can be divided in two parts, 122201120 and 21101, that added together give a palindrome (122222221).

The spelling of 12220112021101 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, one hundred one".