102003022100 has 36 divisors (see below), whose sum is σ = 252967496544. Its totient is φ = 34972464480.

The previous prime is 102003022097. The next prime is 102003022111. The reversal of 102003022100 is 1220300201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72858602 + ... + 72860001.

It is an arithmetic number, because the mean of its divisors is an integer number (7026874904).

Almost surely, 2^102003022100 is an apocalyptic number.

102003022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003022100 is an abundant number, since it is smaller than the sum of its proper divisors (150964474444).

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

102003022100 is a wasteful number, since it uses less digits than its factorization.

102003022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145718624 (or 145718617 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102003022100 its reverse (1220300201), we get a palindrome (103223322301).

The spelling of 102003022100 in words is "one hundred two billion, three million, twenty-two thousand, one hundred".