2110002121201 has 4 divisors (see below), whose sum is σ = 2272309976692. Its totient is φ = 1947694265712.

The previous prime is 2110002121141. The next prime is 2110002121219. The reversal of 2110002121201 is 1021212000112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 740634081201 + 1369368040000 = 860601^2 + 1170200^2 .

It is not a de Polignac number, because 2110002121201 - 2³³ = 2101412186609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 162307855477 = 2110002121201 / (2 + 1 + 1 + 0 + 0 + 0 + 2 + 1 + 2 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110002121291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81153927726 + ... + 81153927751.

It is an arithmetic number, because the mean of its divisors is an integer number (568077494173).

Almost surely, 2^{2110002121201} is an apocalyptic number.

It is an amenable number.

2110002121201 is a deficient number, since it is larger than the sum of its proper divisors (162307855491).

2110002121201 is a wasteful number, since it uses less digits than its factorization.

2110002121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162307855490.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2110002121201 its reverse (1021212000112), we get a palindrome (3131214121313).

The spelling of 2110002121201 in words is "two trillion, one hundred ten billion, two million, one hundred twenty-one thousand, two hundred one".