22220000202101 has 16 divisors (see below), whose sum is σ = 24166595887728. Its totient is φ = 20307321216000.

The previous prime is 22220000202031. The next prime is 22220000202119. The reversal of 22220000202101 is 10120200002222.

It can be written as a sum of positive squares in 8 ways, for example, as 8221701757201 + 13998298444900 = 2867351^2 + 3741430^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22220000202101 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 (22220000262101) 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, 93078845 + ... + 93317261.

It is an arithmetic number, because the mean of its divisors is an integer number (1510412242983).

Almost surely, 2^{22220000202101} is an apocalyptic number.

It is an amenable number.

22220000202101 is a deficient number, since it is larger than the sum of its proper divisors (1946595685627).

22220000202101 is a wasteful number, since it uses less digits than its factorization.

22220000202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309512.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22220000202101 its reverse (10120200002222), we get a palindrome (32340200204323).

The spelling of 22220000202101 in words is "twenty-two trillion, two hundred twenty billion, two hundred two thousand, one hundred one".