22200111001021 has 16 divisors (see below), whose sum is σ = 23712882513408. Its totient is φ = 20710696115200.

The previous prime is 22200111001007. The next prime is 22200111001037. The reversal of 22200111001021 is 12010011100222.

It is a cyclic number.

It is not a de Polignac number, because 22200111001021 - 2⁵ = 22200111000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200111000992 and 22200111001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200111001421) 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, 3853660 + ... + 7697461.

It is an arithmetic number, because the mean of its divisors is an integer number (1482055157088).

Almost surely, 2^{22200111001021} is an apocalyptic number.

It is an amenable number.

22200111001021 is a deficient number, since it is larger than the sum of its proper divisors (1512771512387).

22200111001021 is a wasteful number, since it uses less digits than its factorization.

22200111001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552132.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22200111001021 its reverse (12010011100222), we get a palindrome (34210122101243).

The spelling of 22200111001021 in words is "twenty-two trillion, two hundred billion, one hundred eleven million, one thousand, twenty-one".