222021322031123 has 4 divisors (see below), whose sum is σ = 222021418640880. Its totient is φ = 222021225421368.

The previous prime is 222021322031111. The next prime is 222021322031183. The reversal of 222021322031123 is 321130223120222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222021322031123 - 2⁸ = 222021322030867 is a prime.

It is a super-2 number, since 2×222021322031123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021322031092 and 222021322031101.

It is not an unprimeable number, because it can be changed into a prime (222021322031183) 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, 44771540 + ... + 49482657.

It is an arithmetic number, because the mean of its divisors is an integer number (55505354660220).

Almost surely, 2^{222021322031123} is an apocalyptic number.

222021322031123 is a deficient number, since it is larger than the sum of its proper divisors (96609757).

222021322031123 is an equidigital number, since it uses as much as digits as its factorization.

222021322031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96609756.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 222021322031123 its reverse (321130223120222), we get a palindrome (543151545151345).

The spelling of 222021322031123 in words is "two hundred twenty-two trillion, twenty-one billion, three hundred twenty-two million, thirty-one thousand, one hundred twenty-three".