22021000322123 has 8 divisors (see below), whose sum is σ = 24581581755456. Its totient is φ = 19553530941000.

The previous prime is 22021000322081. The next prime is 22021000322137. The reversal of 22021000322123 is 32122300012022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021000322123 - 2¹⁸ = 22021000059979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021000322095 and 22021000322104.

It is not an unprimeable number, because it can be changed into a prime (22021000322623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23278012553 + ... + 23278013498.

It is an arithmetic number, because the mean of its divisors is an integer number (3072697719432).

Almost surely, 2^{22021000322123} is an apocalyptic number.

22021000322123 is a deficient number, since it is larger than the sum of its proper divisors (2560581433333).

22021000322123 is a wasteful number, since it uses less digits than its factorization.

22021000322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556026105.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22021000322123 its reverse (32122300012022), we get a palindrome (54143300334145).

The spelling of 22021000322123 in words is "twenty-two trillion, twenty-one billion, three hundred twenty-two thousand, one hundred twenty-three".