102101212112 has 40 divisors (see below), whose sum is σ = 201574538880. Its totient is φ = 50091073920.

The previous prime is 102101212069. The next prime is 102101212183. The reversal of 102101212112 is 211212101201.

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, 104564 + ... + 463827.

It is an arithmetic number, because the mean of its divisors is an integer number (5039363472).

Almost surely, 2^102101212112 is an apocalyptic number.

It is an amenable number.

102101212112 is a deficient number, since it is larger than the sum of its proper divisors (99473326768).

102101212112 is a wasteful number, since it uses less digits than its factorization.

102101212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568611 (or 568605 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102101212112 its reverse (211212101201), we get a palindrome (313313313313).

The spelling of 102101212112 in words is "one hundred two billion, one hundred one million, two hundred twelve thousand, one hundred twelve".