2011802526021 has 16 divisors (see below), whose sum is σ = 2703518991360. Its totient is φ = 1330648715760.

The previous prime is 2011802526011. The next prime is 2011802526043. The reversal of 2011802526021 is 1206252081102.

It is not a de Polignac number, because 2011802526021 - 2¹⁹ = 2011802001733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011802526021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011802526011) 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, 1064260 + ... + 2270738.

It is an arithmetic number, because the mean of its divisors is an integer number (168969936960).

Almost surely, 2^{2011802526021} is an apocalyptic number.

It is an amenable number.

2011802526021 is a deficient number, since it is larger than the sum of its proper divisors (691716465339).

2011802526021 is a wasteful number, since it uses less digits than its factorization.

2011802526021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210856.

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 2011802526021 in words is "two trillion, eleven billion, eight hundred two million, five hundred twenty-six thousand, twenty-one".