102001011100 has 36 divisors (see below), whose sum is σ = 221394033000. Its totient is φ = 40790848960.

The previous prime is 102001011059. The next prime is 102001011127. The reversal of 102001011100 is 1110100201.

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, 317631 + ... + 552169.

It is an arithmetic number, because the mean of its divisors is an integer number (6149834250).

Almost surely, 2^102001011100 is an apocalyptic number.

102001011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001011100 is an abundant number, since it is smaller than the sum of its proper divisors (119393021900).

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

102001011100 is a wasteful number, since it uses less digits than its factorization.

102001011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238902 (or 238895 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 102001011100 its reverse (1110100201), we get a palindrome (103111111301).

The spelling of 102001011100 in words is "one hundred two billion, one million, eleven thousand, one hundred".