2110101011021 has 4 divisors (see below), whose sum is σ = 2113848970752. Its totient is φ = 2106353051292.

The previous prime is 2110101010987. The next prime is 2110101011063. The reversal of 2110101011021 is 1201101010112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2110101011021 - 2³⁰ = 2109027269197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110101010993 and 2110101011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110101019021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873979021 + ... + 1873980146.

It is an arithmetic number, because the mean of its divisors is an integer number (528462242688).

Almost surely, 2^{2110101011021} is an apocalyptic number.

It is an amenable number.

2110101011021 is a deficient number, since it is larger than the sum of its proper divisors (3747959731).

2110101011021 is an equidigital number, since it uses as much as digits as its factorization.

2110101011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747959730.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2110101011021 its reverse (1201101010112), we get a palindrome (3311202021133).

Subtracting from 2110101011021 its reverse (1201101010112), we obtain a palindrome (909000000909).

The spelling of 2110101011021 in words is "two trillion, one hundred ten billion, one hundred one million, eleven thousand, twenty-one".