222123102031 has 2 divisors, whose sum is σ = 222123102032. Its totient is φ = 222123102030.

The previous prime is 222123102017. The next prime is 222123102037. The reversal of 222123102031 is 130201321222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222123102031 - 2¹³ = 222123093839 is a prime.

It is a super-2 number, since 2×222123102031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222123102037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061551015 + 111061551016.

It is an arithmetic number, because the mean of its divisors is an integer number (111061551016).

Almost surely, 2^222123102031 is an apocalyptic number.

222123102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123102031 is an equidigital number, since it uses as much as digits as its factorization.

222123102031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222123102031 its reverse (130201321222), we get a palindrome (352324423253).

The spelling of 222123102031 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, thirty-one".