22120021112101 has 16 divisors (see below), whose sum is σ = 25748939845440. Its totient is φ = 18789766888320.

The previous prime is 22120021112089. The next prime is 22120021112117. The reversal of 22120021112101 is 10121112002122.

It is a cyclic number.

It is not a de Polignac number, because 22120021112101 - 2²⁵ = 22119987557669 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 (22120021112201) 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, 724898590 + ... + 724929103.

It is an arithmetic number, because the mean of its divisors is an integer number (1609308740340).

Almost surely, 2^{22120021112101} is an apocalyptic number.

It is an amenable number.

22120021112101 is a deficient number, since it is larger than the sum of its proper divisors (3628918733339).

22120021112101 is a wasteful number, since it uses less digits than its factorization.

22120021112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449827796.

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

Adding to 22120021112101 its reverse (10121112002122), we get a palindrome (32241133114223).

The spelling of 22120021112101 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, one hundred twelve thousand, one hundred one".