102002002123100 has 36 divisors (see below), whose sum is σ = 223535872793688. Its totient is φ = 40396832520000.

The previous prime is 102002002123097. The next prime is 102002002123159. The reversal of 102002002123100 is 1321200200201.

It is a happy number.

It is a super-2 number, since 2×102002002123100² (a number of 29 digits) contains 22 as substring.

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, 5049593966 + ... + 5049614165.

Almost surely, 2^{102002002123100} is an apocalyptic number.

102002002123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002002123100 is an abundant number, since it is smaller than the sum of its proper divisors (121533870670588).

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

102002002123100 is a wasteful number, since it uses less digits than its factorization.

102002002123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099208246 (or 10099208239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102002002123100 its reverse (1321200200201), we get a palindrome (103323202323301).

The spelling of 102002002123100 in words is "one hundred two trillion, two billion, two million, one hundred twenty-three thousand, one hundred".