22220211011021 has 16 divisors (see below), whose sum is σ = 23086391136000. Its totient is φ = 21371964989760.

The previous prime is 22220211010973. The next prime is 22220211011023. The reversal of 22220211011021 is 12011011202222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220211011021 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 (22220211011023) 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, 7054646 + ... + 9706103.

It is an arithmetic number, because the mean of its divisors is an integer number (1442899446000).

Almost surely, 2^{22220211011021} is an apocalyptic number.

It is an amenable number.

22220211011021 is a deficient number, since it is larger than the sum of its proper divisors (866180124979).

22220211011021 is a wasteful number, since it uses less digits than its factorization.

22220211011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16761284.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22220211011021 its reverse (12011011202222), we get a palindrome (34231222213243).

The spelling of 22220211011021 in words is "twenty-two trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, twenty-one".