102100202044 has 12 divisors (see below), whose sum is σ = 181604458168. Its totient is φ = 50213214000.

The previous prime is 102100201997. The next prime is 102100202047. The reversal of 102100202044 is 440202001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100202047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209221482 + ... + 209221969.

Almost surely, 2^102100202044 is an apocalyptic number.

It is an amenable number.

102100202044 is a deficient number, since it is larger than the sum of its proper divisors (79504256124).

102100202044 is a wasteful number, since it uses less digits than its factorization.

102100202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418443516 (or 418443514 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102100202044 its reverse (440202001201), we get a palindrome (542302203245).

The spelling of 102100202044 in words is "one hundred two billion, one hundred million, two hundred two thousand, forty-four".