21133233202011 has 16 divisors (see below), whose sum is σ = 32369877064704. Its totient is φ = 12013562617344.

The previous prime is 21133233201973. The next prime is 21133233202013. The reversal of 21133233202011 is 11020233233112.

It is not a de Polignac number, because 21133233202011 - 2²³ = 21133224813403 is a prime.

It is a super-2 number, since 2×21133233202011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21133233202013) 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, 2607105891 + ... + 2607113996.

It is an arithmetic number, because the mean of its divisors is an integer number (2023117316544).

Almost surely, 2^{21133233202011} is an apocalyptic number.

21133233202011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21133233202011 is a deficient number, since it is larger than the sum of its proper divisors (11236643862693).

21133233202011 is a wasteful number, since it uses less digits than its factorization.

21133233202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214220090.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21133233202011 its reverse (11020233233112), we get a palindrome (32153466435123).

The spelling of 21133233202011 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred thirty-three million, two hundred two thousand, eleven".