2101002020110 has 128 divisors (see below), whose sum is σ = 4669902720000. Its totient is φ = 664443233280.

The previous prime is 2101002020083. The next prime is 2101002020123. The reversal of 2101002020110 is 110202001012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27171864 + ... + 27249076.

It is an arithmetic number, because the mean of its divisors is an integer number (36483615000).

Almost surely, 2^{2101002020110} is an apocalyptic number.

2101002020110 is an abundant number, since it is smaller than the sum of its proper divisors (2568900699890).

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

2101002020110 is a wasteful number, since it uses less digits than its factorization.

2101002020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77786.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101002020110 its reverse (110202001012), we get a palindrome (2211204021122).

The spelling of 2101002020110 in words is "two trillion, one hundred one billion, two million, twenty thousand, one hundred ten".