22000122011021 has 16 divisors (see below), whose sum is σ = 27428954362368. Its totient is φ = 17142807956400.

The previous prime is 22000122011003. The next prime is 22000122011033. The reversal of 22000122011021 is 12011022100022.

It is not a de Polignac number, because 22000122011021 - 2⁶ = 22000122010957 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 = 22000122010987 and 22000122011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000122011051) 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, 8514086 + ... + 10793048.

It is an arithmetic number, because the mean of its divisors is an integer number (1714309647648).

Almost surely, 2^{22000122011021} is an apocalyptic number.

It is an amenable number.

22000122011021 is a deficient number, since it is larger than the sum of its proper divisors (5428832351347).

22000122011021 is a wasteful number, since it uses less digits than its factorization.

22000122011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404352.

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

Adding to 22000122011021 its reverse (12011022100022), we get a palindrome (34011144111043).

The spelling of 22000122011021 in words is "twenty-two trillion, one hundred twenty-two million, eleven thousand, twenty-one".