22200201021 has 16 divisors (see below), whose sum is σ = 30679193600. Its totient is φ = 14268011328.

The previous prime is 22200200999. The next prime is 22200201073. The reversal of 22200201021 is 12010200222.

It is not a de Polignac number, because 22200201021 - 2⁹ = 22200200509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22200200988 and 22200201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200201721) 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, 905341 + ... + 929538.

It is an arithmetic number, because the mean of its divisors is an integer number (1917449600).

Almost surely, 2^22200201021 is an apocalyptic number.

It is an amenable number.

22200201021 is a deficient number, since it is larger than the sum of its proper divisors (8478992579).

22200201021 is a wasteful number, since it uses less digits than its factorization.

22200201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835028.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22200201021 its reverse (12010200222), we get a palindrome (34210401243).

The spelling of 22200201021 in words is "twenty-two billion, two hundred million, two hundred one thousand, twenty-one".