22201020011021 has 4 divisors (see below), whose sum is σ = 22201954145952. Its totient is φ = 22200085876092.

The previous prime is 22201020011011. The next prime is 22201020011039. The reversal of 22201020011021 is 12011002010222.

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 a de Polignac number, because none of the positive numbers 2^k-22201020011021 is a prime.

It is a super-2 number, since 2×22201020011021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201020010987 and 22201020011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201020011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467031815 + ... + 467079348.

It is an arithmetic number, because the mean of its divisors is an integer number (5550488536488).

Almost surely, 2^{22201020011021} is an apocalyptic number.

It is an amenable number.

22201020011021 is a deficient number, since it is larger than the sum of its proper divisors (934134931).

22201020011021 is an equidigital number, since it uses as much as digits as its factorization.

22201020011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934134930.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201020011021 its reverse (12011002010222), we get a palindrome (34212022021243).

The spelling of 22201020011021 in words is "twenty-two trillion, two hundred one billion, twenty million, eleven thousand, twenty-one".