2101010021103 has 64 divisors (see below), whose sum is σ = 3233522073600. Its totient is φ = 1188659424000.

The previous prime is 2101010021069. The next prime is 2101010021179. The reversal of 2101010021103 is 3011200101012.

It is not a de Polignac number, because 2101010021103 - 2²⁴ = 2100993243887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101010021303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1030410958 + ... + 1030412996.

It is an arithmetic number, because the mean of its divisors is an integer number (50523782400).

Almost surely, 2^{2101010021103} is an apocalyptic number.

2101010021103 is a deficient number, since it is larger than the sum of its proper divisors (1132512052497).

2101010021103 is a wasteful number, since it uses less digits than its factorization.

2101010021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2101010021103 its reverse (3011200101012), we get a palindrome (5112210122115).

The spelling of 2101010021103 in words is "two trillion, one hundred one billion, ten million, twenty-one thousand, one hundred three".