101222012112 has 80 divisors (see below), whose sum is σ = 283064257728. Its totient is φ = 30983823360.

The previous prime is 101222012063. The next prime is 101222012159. The reversal of 101222012112 is 211210222101.

It is a junction number, because it is equal to n+sod(n) for n = 101222012091 and 101222012100.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 299814 + ... + 540677.

Almost surely, 2^101222012112 is an apocalyptic number.

101222012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101222012112 is an abundant number, since it is smaller than the sum of its proper divisors (181842245616).

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

101222012112 is a wasteful number, since it uses less digits than its factorization.

101222012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840708 (or 840702 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101222012112 its reverse (211210222101), we get a palindrome (312432234213).

The spelling of 101222012112 in words is "one hundred one billion, two hundred twenty-two million, twelve thousand, one hundred twelve".