22201020102021 has 4 divisors (see below), whose sum is σ = 29601360136032. Its totient is φ = 14800680068012.

The previous prime is 22201020102017. The next prime is 22201020102091. The reversal of 22201020102021 is 12020102010222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22201020102021 - 2² = 22201020102017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201020102091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3700170017001 + ... + 3700170017006.

It is an arithmetic number, because the mean of its divisors is an integer number (7400340034008).

Almost surely, 2^{22201020102021} is an apocalyptic number.

It is an amenable number.

22201020102021 is a deficient number, since it is larger than the sum of its proper divisors (7400340034011).

22201020102021 is an equidigital number, since it uses as much as digits as its factorization.

22201020102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400340034010.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22201020102021 its reverse (12020102010222), we get a palindrome (34221122112243).

The spelling of 22201020102021 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred two thousand, twenty-one".