22021211030123 has 32 divisors (see below), whose sum is σ = 24385451151360. Its totient is φ = 19825513706880.

The previous prime is 22021211030101. The next prime is 22021211030177. The reversal of 22021211030123 is 32103011212022.

It is a cyclic number.

It is not a de Polignac number, because 22021211030123 - 2⁶ = 22021211030059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021211030095 and 22021211030104.

It is not an unprimeable number, because it can be changed into a prime (22021211030023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212336 + ... + 6639842.

It is an arithmetic number, because the mean of its divisors is an integer number (762045348480).

Almost surely, 2^{22021211030123} is an apocalyptic number.

22021211030123 is a deficient number, since it is larger than the sum of its proper divisors (2364240121237).

22021211030123 is a wasteful number, since it uses less digits than its factorization.

22021211030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427707.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22021211030123 its reverse (32103011212022), we get a palindrome (54124222242145).

The spelling of 22021211030123 in words is "twenty-two trillion, twenty-one billion, two hundred eleven million, thirty thousand, one hundred twenty-three".