22221020002101 has 16 divisors (see below), whose sum is σ = 31386132408384. Its totient is φ = 13935809389824.

The previous prime is 22221020002063. The next prime is 22221020002123. The reversal of 22221020002101 is 10120002012222.

It is not a de Polignac number, because 22221020002101 - 2²¹ = 22221017904949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221020002151) 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, 106009831 + ... + 106219236.

It is an arithmetic number, because the mean of its divisors is an integer number (1961633275524).

Almost surely, 2^{22221020002101} is an apocalyptic number.

It is an amenable number.

22221020002101 is a deficient number, since it is larger than the sum of its proper divisors (9165112406283).

22221020002101 is a wasteful number, since it uses less digits than its factorization.

22221020002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212231140.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221020002101 its reverse (10120002012222), we get a palindrome (32341022014323).

The spelling of 22221020002101 in words is "twenty-two trillion, two hundred twenty-one billion, twenty million, two thousand, one hundred one".