10002020002100 has 36 divisors (see below), whose sum is σ = 24805009606944. Its totient is φ = 3429264000480.

The previous prime is 10002020002057. The next prime is 10002020002193. The reversal of 10002020002100 is 120002020001.

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, 7144299302 + ... + 7144300701.

Almost surely, 2^{10002020002100} is an apocalyptic number.

10002020002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002020002100 is an abundant number, since it is smaller than the sum of its proper divisors (14802989604844).

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

10002020002100 is a wasteful number, since it uses less digits than its factorization.

10002020002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288600024 (or 14288600017 counting only the distinct ones).

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

Adding to 10002020002100 its reverse (120002020001), we get a palindrome (10122022022101).

The spelling of 10002020002100 in words is "ten trillion, two billion, twenty million, two thousand, one hundred".