20002101000102 has 24 divisors (see below), whose sum is σ = 46671569000784. Its totient is φ = 6154492615344.

The previous prime is 20002101000047. The next prime is 20002101000149. The reversal of 20002101000102 is 20100010120002.

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

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, 42739531818 + ... + 42739532285.

It is an arithmetic number, because the mean of its divisors is an integer number (1944648708366).

Almost surely, 2^{20002101000102} is an apocalyptic number.

20002101000102 is an abundant number, since it is smaller than the sum of its proper divisors (26669468000682).

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

20002101000102 is a wasteful number, since it uses less digits than its factorization.

20002101000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85479064124 (or 85479064121 counting only the distinct ones).

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

Adding to 20002101000102 its reverse (20100010120002), we get a palindrome (40102111120104).

The spelling of 20002101000102 in words is "twenty trillion, two billion, one hundred one million, one hundred two", and thus it is an aban number.