101212020121112 has 16 divisors (see below), whose sum is σ = 189775016421360. Its totient is φ = 50605349075424.

The previous prime is 101212020121073. The next prime is 101212020121127. The reversal of 101212020121112 is 211121020212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81972068 + ... + 83197619.

It is an arithmetic number, because the mean of its divisors is an integer number (11860938526335).

Almost surely, 2^{101212020121112} is an apocalyptic number.

It is an amenable number.

101212020121112 is a deficient number, since it is larger than the sum of its proper divisors (88562996300248).

101212020121112 is a wasteful number, since it uses less digits than its factorization.

101212020121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165246290 (or 165246286 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101212020121112 its reverse (211121020212101), we get a palindrome (312333040333213).

The spelling of 101212020121112 in words is "one hundred one trillion, two hundred twelve billion, twenty million, one hundred twenty-one thousand, one hundred twelve".