22020102202221 has 32 divisors (see below), whose sum is σ = 34310080189440. Its totient is φ = 13938470020800.

The previous prime is 22020102202207. The next prime is 22020102202237. The reversal of 22020102202221 is 12220220102022.

22020102202221 is a `hidden beast` number, since 2 + 20 + 201 + 0 + 220 + 2 + 221 = 666.

It is not a de Polignac number, because 22020102202221 - 2¹⁸ = 22020101940077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020102202194 and 22020102202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020102202271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248147770 + ... + 248236491.

It is an arithmetic number, because the mean of its divisors is an integer number (1072190005920).

Almost surely, 2^{22020102202221} is an apocalyptic number.

It is an amenable number.

22020102202221 is a deficient number, since it is larger than the sum of its proper divisors (12289977987219).

22020102202221 is a wasteful number, since it uses less digits than its factorization.

22020102202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496384354 (or 496384348 counting only the distinct ones).

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

Adding to 22020102202221 its reverse (12220220102022), we get a palindrome (34240322304243).

The spelling of 22020102202221 in words is "twenty-two trillion, twenty billion, one hundred two million, two hundred two thousand, two hundred twenty-one".