101222112222112 has 72 divisors (see below), whose sum is σ = 234111927706020. Its totient is φ = 42951391257600.

The previous prime is 101222112222061. The next prime is 101222112222113. The reversal of 101222112222112 is 211222211222101.

It can be written as a sum of positive squares in 2 ways, for example, as 82368766124176 + 18853346097936 = 9075724^2 + 4342044^2 .

It is not an unprimeable number, because it can be changed into a prime (101222112222113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319420437 + ... + 319737172.

Almost surely, 2^{101222112222112} is an apocalyptic number.

It is an amenable number.

101222112222112 is an abundant number, since it is smaller than the sum of its proper divisors (132889815483908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101222112222112 is a wasteful number, since it uses less digits than its factorization.

101222112222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639157734 (or 639157719 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 101222112222112 its reverse (211222211222101), we get a palindrome (312444323444213).

The spelling of 101222112222112 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".