102001031120 has 40 divisors (see below), whose sum is σ = 247463375616. Its totient is φ = 39026480768.

The previous prime is 102001031117. The next prime is 102001031141. The reversal of 102001031120 is 21130100201.

It is a tau number, because it is divible by the number of its divisors (40).

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, 27715832 + ... + 27719511.

Almost surely, 2^102001031120 is an apocalyptic number.

102001031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001031120 is an abundant number, since it is smaller than the sum of its proper divisors (145462344496).

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

102001031120 is a wasteful number, since it uses less digits than its factorization.

102001031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55435379 (or 55435373 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102001031120 its reverse (21130100201), we get a palindrome (123131131321).

The spelling of 102001031120 in words is "one hundred two billion, one million, thirty-one thousand, one hundred twenty".