10002000102120 has 384 divisors, whose sum is σ = 35344274434560. Its totient is φ = 2438344581120.

The previous prime is 10002000102103. The next prime is 10002000102131. The reversal of 10002000102120 is 2120100020001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 752532675 + ... + 752545965.

It is an arithmetic number, because the mean of its divisors is an integer number (92042381340).

Almost surely, 2^{10002000102120} is an apocalyptic number.

10002000102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10002000102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17672137217280).

10002000102120 is an abundant number, since it is smaller than the sum of its proper divisors (25342274332440).

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

10002000102120 is a wasteful number, since it uses less digits than its factorization.

10002000102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14857 (or 14850 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002000102120 its reverse (2120100020001), we get a palindrome (12122100122121).

The spelling of 10002000102120 in words is "ten trillion, two billion, one hundred two thousand, one hundred twenty".