101022231112 has 48 divisors (see below), whose sum is σ = 208460781900. Its totient is φ = 45862080000.

The previous prime is 101022231097. The next prime is 101022231143. The reversal of 101022231112 is 211132220101.

It can be written as a sum of positive squares in 2 ways, for example, as 98378831716 + 2643399396 = 313654^2 + 51414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718612 + ... + 847612.

Almost surely, 2^101022231112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101022231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104230390950).

101022231112 is an abundant number, since it is smaller than the sum of its proper divisors (107438550788).

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

101022231112 is a wasteful number, since it uses less digits than its factorization.

101022231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129838 (or 129823 counting only the distinct ones).

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

Adding to 101022231112 its reverse (211132220101), we get a palindrome (312154451213).

The spelling of 101022231112 in words is "one hundred one billion, twenty-two million, two hundred thirty-one thousand, one hundred twelve".