22010122100021 has 4 divisors (see below), whose sum is σ = 24011042290944. Its totient is φ = 20009201909100.

The previous prime is 22010122099997. The next prime is 22010122100027. The reversal of 22010122100021 is 12000122101022.

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-22010122100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010122099969 and 22010122100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010122100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000460095445 + ... + 1000460095466.

It is an arithmetic number, because the mean of its divisors is an integer number (6002760572736).

Almost surely, 2^{22010122100021} is an apocalyptic number.

It is an amenable number.

22010122100021 is a deficient number, since it is larger than the sum of its proper divisors (2000920190923).

22010122100021 is a wasteful number, since it uses less digits than its factorization.

22010122100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000920190922.

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

Adding to 22010122100021 its reverse (12000122101022), we get a palindrome (34010244201043).

The spelling of 22010122100021 in words is "twenty-two trillion, ten billion, one hundred twenty-two million, one hundred thousand, twenty-one".