10020010002100 has 72 divisors (see below), whose sum is σ = 25651225660928. Its totient is φ = 3324611606400.

The previous prime is 10020010002077. The next prime is 10020010002187. The reversal of 10020010002100 is 120001002001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230854107 + ... + 230897506.

Almost surely, 2^{10020010002100} is an apocalyptic number.

10020010002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020010002100 is an abundant number, since it is smaller than the sum of its proper divisors (15631215658828).

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

10020010002100 is a wasteful number, since it uses less digits than its factorization.

10020010002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461751665 (or 461751658 counting only the distinct ones).

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

Adding to 10020010002100 its reverse (120001002001), we get a palindrome (10140011004101).

Subtracting from 10020010002100 its reverse (120001002001), we obtain a palindrome (9900009000099).

The spelling of 10020010002100 in words is "ten trillion, twenty billion, ten million, two thousand, one hundred".