22021021112101 has 32 divisors (see below), whose sum is σ = 24664490171136. Its totient is φ = 19492482240000.

The previous prime is 22021021112017. The next prime is 22021021112113. The reversal of 22021021112101 is 10121112012022.

It is a de Polignac number, because none of the positive numbers 2^k-22021021112101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021021115101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30964161 + ... + 31667353.

It is an arithmetic number, because the mean of its divisors is an integer number (770765317848).

Almost surely, 2^{22021021112101} is an apocalyptic number.

It is an amenable number.

22021021112101 is a deficient number, since it is larger than the sum of its proper divisors (2643469059035).

22021021112101 is a wasteful number, since it uses less digits than its factorization.

22021021112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703773.

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

Adding to 22021021112101 its reverse (10121112012022), we get a palindrome (32142133124123).

It can be divided in two parts, 22021021 and 112101, that added together give a palindrome (22133122).

The spelling of 22021021112101 in words is "twenty-two trillion, twenty-one billion, twenty-one million, one hundred twelve thousand, one hundred one".