101220103112 has 64 divisors (see below), whose sum is σ = 205735680000. Its totient is φ = 46536759360.

The previous prime is 101220103111. The next prime is 101220103163. The reversal of 101220103112 is 211301022101.

It is not an unprimeable number, because it can be changed into a prime (101220103111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637037 + ... + 779907.

It is an arithmetic number, because the mean of its divisors is an integer number (3214620000).

Almost surely, 2^101220103112 is an apocalyptic number.

It is an amenable number.

101220103112 is an abundant number, since it is smaller than the sum of its proper divisors (104515576888).

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

101220103112 is a wasteful number, since it uses less digits than its factorization.

101220103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143034 (or 143030 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101220103112 its reverse (211301022101), we get a palindrome (312521125213).

The spelling of 101220103112 in words is "one hundred one billion, two hundred twenty million, one hundred three thousand, one hundred twelve".