22021122100001 has 4 divisors (see below), whose sum is σ = 22021222685952. Its totient is φ = 22021021514052.

The previous prime is 22021122099997. The next prime is 22021122100063. The reversal of 22021122100001 is 10000122112022.

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 22021122100001 - 2² = 22021122099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021122160001) 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, 49963865 + ... + 50402678.

It is an arithmetic number, because the mean of its divisors is an integer number (5505305671488).

Almost surely, 2^{22021122100001} is an apocalyptic number.

It is an amenable number.

22021122100001 is a deficient number, since it is larger than the sum of its proper divisors (100585951).

22021122100001 is a wasteful number, since it uses less digits than its factorization.

22021122100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100585950.

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

Adding to 22021122100001 its reverse (10000122112022), we get a palindrome (32021244212023).

The spelling of 22021122100001 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, one".