222022122101021 has 32 divisors (see below), whose sum is σ = 251232773008896. Its totient is φ = 194452586496000.

The previous prime is 222022122101009. The next prime is 222022122101023. The reversal of 222022122101021 is 120101221220222.

It is a cyclic number.

It is not a de Polignac number, because 222022122101021 - 2¹⁸ = 222022121838877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222022122100984 and 222022122101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022122101023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5773085 + ... + 21848861.

It is an arithmetic number, because the mean of its divisors is an integer number (7851024156528).

Almost surely, 2^{222022122101021} is an apocalyptic number.

It is an amenable number.

222022122101021 is a deficient number, since it is larger than the sum of its proper divisors (29210650907875).

222022122101021 is a wasteful number, since it uses less digits than its factorization.

222022122101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076213.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222022122101021 its reverse (120101221220222), we get a palindrome (342123343321243).

The spelling of 222022122101021 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred twenty-two million, one hundred one thousand, twenty-one".