101212100021112 has 32 divisors (see below), whose sum is σ = 253030766992080. Its totient is φ = 33737297748480.

The previous prime is 101212100021077. The next prime is 101212100021173. The reversal of 101212100021112 is 211120001212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101212100021091 and 101212100021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8456208 + ... + 16550880.

Almost surely, 2^{101212100021112} is an apocalyptic number.

101212100021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101212100021112 is an abundant number, since it is smaller than the sum of its proper divisors (151818666970968).

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

101212100021112 is a wasteful number, since it uses less digits than its factorization.

101212100021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615663 (or 8615659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212100021112 its reverse (211120001212101), we get a palindrome (312332101233213).

The spelling of 101212100021112 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, twenty-one thousand, one hundred twelve".