222112031101 has 2 divisors, whose sum is σ = 222112031102. Its totient is φ = 222112031100.

The previous prime is 222112031087. The next prime is 222112031131. The reversal of 222112031101 is 101130211222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209513091076 + 12598940025 = 457726^2 + 112245^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112031101 - 2⁵ = 222112031069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112031131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056015550 + 111056015551.

It is an arithmetic number, because the mean of its divisors is an integer number (111056015551).

Almost surely, 2^222112031101 is an apocalyptic number.

It is an amenable number.

222112031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112031101 is an equidigital number, since it uses as much as digits as its factorization.

222112031101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222112031101 its reverse (101130211222), we get a palindrome (323242242323).

The spelling of 222112031101 in words is "two hundred twenty-two billion, one hundred twelve million, thirty-one thousand, one hundred one".