22221020102202 has 32 divisors (see below), whose sum is σ = 49889117308800. Its totient is φ = 7330645805184.

The previous prime is 22221020102189. The next prime is 22221020102207. The reversal of 22221020102202 is 20220102012222.

22221020102202 is a `hidden beast` number, since 22 + 221 + 0 + 201 + 0 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22221020102207) 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, 2121130702 + ... + 2121141177.

It is an arithmetic number, because the mean of its divisors is an integer number (1559034915900).

Almost surely, 2^{22221020102202} is an apocalyptic number.

22221020102202 is an abundant number, since it is smaller than the sum of its proper divisors (27668097206598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221020102202 is a wasteful number, since it uses less digits than its factorization.

22221020102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242271987 (or 4242271981 counting only the distinct ones).

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

Adding to 22221020102202 its reverse (20220102012222), we get a palindrome (42441122114424).

The spelling of 22221020102202 in words is "twenty-two trillion, two hundred twenty-one billion, twenty million, one hundred two thousand, two hundred two".