101031222112 has 48 divisors (see below), whose sum is σ = 203102342352. Its totient is φ = 49459783680.

The previous prime is 101031222107. The next prime is 101031222143. The reversal of 101031222112 is 211222130101.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162187 + ... + 477877.

It is an arithmetic number, because the mean of its divisors is an integer number (4231298799).

Almost surely, 2^101031222112 is an apocalyptic number.

It is an amenable number.

101031222112 is an abundant number, since it is smaller than the sum of its proper divisors (102071120240).

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

101031222112 is a wasteful number, since it uses less digits than its factorization.

101031222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315911 (or 315903 counting only the distinct ones).

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

Adding to 101031222112 its reverse (211222130101), we get a palindrome (312253352213).

The spelling of 101031222112 in words is "one hundred one billion, thirty-one million, two hundred twenty-two thousand, one hundred twelve".