22222002202101 has 48 divisors (see below), whose sum is σ = 36751071966336. Its totient is φ = 12833707506048.

The previous prime is 22222002202031. The next prime is 22222002202117. The reversal of 22222002202101 is 10120220022222.

22222002202101 is a `hidden beast` number, since 2 + 222 + 200 + 220 + 21 + 0 + 1 = 666.

It is not a de Polignac number, because 22222002202101 - 2²¹ = 22222000104949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222002202501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77762071 + ... + 78047316.

It is an arithmetic number, because the mean of its divisors is an integer number (765647332632).

Almost surely, 2^{22222002202101} is an apocalyptic number.

It is an amenable number.

22222002202101 is a deficient number, since it is larger than the sum of its proper divisors (14529069764235).

22222002202101 is a wasteful number, since it uses less digits than its factorization.

22222002202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155809482 (or 155809479 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222002202101 its reverse (10120220022222), we get a palindrome (32342222224323).

The spelling of 22222002202101 in words is "twenty-two trillion, two hundred twenty-two billion, two million, two hundred two thousand, one hundred one".