2110002110021 has 16 divisors (see below), whose sum is σ = 2355971909760. Its totient is φ = 1876287241920.

The previous prime is 2110002109981. The next prime is 2110002110039. The reversal of 2110002110021 is 1200112000112.

It is a de Polignac number, because none of the positive numbers 2^k-2110002110021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110002109984 and 2110002110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110002119021) 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 15 ways as a sum of consecutive naturals, for example, 6149945 + ... + 6483966.

It is an arithmetic number, because the mean of its divisors is an integer number (147248244360).

Almost surely, 2^{2110002110021} is an apocalyptic number.

It is an amenable number.

2110002110021 is a deficient number, since it is larger than the sum of its proper divisors (245969799739).

2110002110021 is a wasteful number, since it uses less digits than its factorization.

2110002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634396.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2110002110021 its reverse (1200112000112), we get a palindrome (3310114110133).

The spelling of 2110002110021 in words is "two trillion, one hundred ten billion, two million, one hundred ten thousand, twenty-one".