22221220220101 has 32 divisors (see below), whose sum is σ = 25669338140160. Its totient is φ = 18842089363200.

The previous prime is 22221220220081. The next prime is 22221220220113. The reversal of 22221220220101 is 10102202212222.

It is a cyclic number.

It is not a de Polignac number, because 22221220220101 - 2⁹ = 22221220219589 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 (22221220220201) 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, 2409844671 + ... + 2409853891.

It is an arithmetic number, because the mean of its divisors is an integer number (802166816880).

Almost surely, 2^{22221220220101} is an apocalyptic number.

It is an amenable number.

22221220220101 is a deficient number, since it is larger than the sum of its proper divisors (3448117920059).

22221220220101 is a wasteful number, since it uses less digits than its factorization.

22221220220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221220220101 its reverse (10102202212222), we get a palindrome (32323422432323).

The spelling of 22221220220101 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, one hundred one".