102201312112 has 20 divisors (see below), whose sum is σ = 198020704336. Its totient is φ = 51099194880.

The previous prime is 102201312049. The next prime is 102201312121. The reversal of 102201312112 is 211213102201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686437 + ... + 821947.

Almost surely, 2^102201312112 is an apocalyptic number.

It is an amenable number.

102201312112 is a deficient number, since it is larger than the sum of its proper divisors (95819392224).

102201312112 is a wasteful number, since it uses less digits than its factorization.

102201312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182656 (or 182650 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102201312112 its reverse (211213102201), we get a palindrome (313414414313).

The spelling of 102201312112 in words is "one hundred two billion, two hundred one million, three hundred twelve thousand, one hundred twelve".