2011102200021 has 32 divisors (see below), whose sum is σ = 2879100056448. Its totient is φ = 1244258795520.

The previous prime is 2011102199983. The next prime is 2011102200031. The reversal of 2011102200021 is 1200022011102.

It is not a de Polignac number, because 2011102200021 - 2¹³ = 2011102191829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102200031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90261 + ... + 2007573.

It is an arithmetic number, because the mean of its divisors is an integer number (89971876764).

Almost surely, 2^{2011102200021} is an apocalyptic number.

It is an amenable number.

2011102200021 is a deficient number, since it is larger than the sum of its proper divisors (867997856427).

2011102200021 is a wasteful number, since it uses less digits than its factorization.

2011102200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917621.

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

Adding to 2011102200021 its reverse (1200022011102), we get a palindrome (3211124211123).

The spelling of 2011102200021 in words is "two trillion, eleven billion, one hundred two million, two hundred thousand, twenty-one".