21133233233070 has 64 divisors (see below), whose sum is σ = 58030790224896. Its totient is φ = 4825007435520.

The previous prime is 21133233233059. The next prime is 21133233233071. The reversal of 21133233233070 is 7033233233112.

It is a super-2 number, since 2×21133233233070² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133233233071) 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, 56541151 + ... + 56913690.

It is an arithmetic number, because the mean of its divisors is an integer number (906731097264).

Almost surely, 2^{21133233233070} is an apocalyptic number.

21133233233070 is an abundant number, since it is smaller than the sum of its proper divisors (36897556991826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21133233233070 is a wasteful number, since it uses less digits than its factorization.

21133233233070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113455745.

The product of its (nonzero) digits is 40824, while the sum is 33.

Adding to 21133233233070 its reverse (7033233233112), we get a palindrome (28166466466182).

The spelling of 21133233233070 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred thirty-three million, two hundred thirty-three thousand, seventy".