102000100120 has 32 divisors (see below), whose sum is σ = 235097795520. Its totient is φ = 39804916480.

The previous prime is 102000100039. The next prime is 102000100121. The reversal of 102000100120 is 21001000201.

It is a super-3 number, since 3×102000100120³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000100121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31095952 + ... + 31099231.

It is an arithmetic number, because the mean of its divisors is an integer number (7346806110).

Almost surely, 2^102000100120 is an apocalyptic number.

102000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000100120 is an abundant number, since it is smaller than the sum of its proper divisors (133097695400).

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

102000100120 is a wasteful number, since it uses less digits than its factorization.

102000100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62195235 (or 62195231 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102000100120 its reverse (21001000201), we get a palindrome (123001100321).

The spelling of 102000100120 in words is "one hundred two billion, one hundred thousand, one hundred twenty".