2110020201021 has 16 divisors (see below), whose sum is σ = 2817149886144. Its totient is φ = 1404786524544.

The previous prime is 2110020201013. The next prime is 2110020201031. The reversal of 2110020201021 is 1201020200112.

It is not a de Polignac number, because 2110020201021 - 2³ = 2110020201013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110020200988 and 2110020201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110020201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6962961 + ... + 7259673.

It is an arithmetic number, because the mean of its divisors is an integer number (176071867884).

Almost surely, 2^{2110020201021} is an apocalyptic number.

It is an amenable number.

2110020201021 is a deficient number, since it is larger than the sum of its proper divisors (707129685123).

2110020201021 is a wasteful number, since it uses less digits than its factorization.

2110020201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299900.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2110020201021 its reverse (1201020200112), we get a palindrome (3311040401133).

Subtracting from 2110020201021 its reverse (1201020200112), we obtain a palindrome (909000000909).

The spelling of 2110020201021 in words is "two trillion, one hundred ten billion, twenty million, two hundred one thousand, twenty-one".