2011210133021 has 32 divisors (see below), whose sum is σ = 2241727488000. Its totient is φ = 1794679617280.

The previous prime is 2011210132999. The next prime is 2011210133033. The reversal of 2011210133021 is 1203310121102.

It is a cyclic number.

It is not a de Polignac number, because 2011210133021 - 2³⁴ = 1994030263837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210133071) 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, 21720380 + ... + 21812778.

It is an arithmetic number, because the mean of its divisors is an integer number (70053984000).

Almost surely, 2^{2011210133021} is an apocalyptic number.

It is an amenable number.

2011210133021 is a deficient number, since it is larger than the sum of its proper divisors (230517354979).

2011210133021 is a wasteful number, since it uses less digits than its factorization.

2011210133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92929.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2011210133021 its reverse (1203310121102), we get a palindrome (3214520254123).

The spelling of 2011210133021 in words is "two trillion, eleven billion, two hundred ten million, one hundred thirty-three thousand, twenty-one".