102111099989244 has 48 divisors (see below), whose sum is σ = 244075591872000. Its totient is φ = 33206160050560.

The previous prime is 102111099989243. The next prime is 102111099989273. The reversal of 102111099989244 is 442989990111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111099989243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21369757 + ... + 25707755.

It is an arithmetic number, because the mean of its divisors is an integer number (5084908164000).

Almost surely, 2^{102111099989244} is an apocalyptic number.

It is an amenable number.

102111099989244 is an abundant number, since it is smaller than the sum of its proper divisors (141964491882756).

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

102111099989244 is a wasteful number, since it uses less digits than its factorization.

102111099989244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385890 (or 4385888 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 60.

The spelling of 102111099989244 in words is "one hundred two trillion, one hundred eleven billion, ninety-nine million, nine hundred eighty-nine thousand, two hundred forty-four".