102120002112100 has 36 divisors (see below), whose sum is σ = 253257605239744. Its totient is φ = 35012572152480.

The previous prime is 102120002112097. The next prime is 102120002112101. The reversal of 102120002112100 is 1211200021201.

It is not an unprimeable number, because it can be changed into a prime (102120002112101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72942857952 + ... + 72942859351.

Almost surely, 2^{102120002112100} is an apocalyptic number.

102120002112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120002112100 is an abundant number, since it is smaller than the sum of its proper divisors (151137603127644).

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

102120002112100 is a wasteful number, since it uses less digits than its factorization.

102120002112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145885717324 (or 145885717317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120002112100 its reverse (1211200021201), we get a palindrome (103331202133301).

The spelling of 102120002112100 in words is "one hundred two trillion, one hundred twenty billion, two million, one hundred twelve thousand, one hundred".