2101320100233 has 32 divisors (see below), whose sum is σ = 3172362122880. Its totient is φ = 1374206483520.

The previous prime is 2101320100219. The next prime is 2101320100267. The reversal of 2101320100233 is 3320010231012.

2101320100233 is a `hidden beast` number, since 2 + 10 + 1 + 320 + 100 + 233 = 666.

It is not a de Polignac number, because 2101320100233 - 2⁶ = 2101320100169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101320100433) 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, 8192098 + ... + 8444708.

It is an arithmetic number, because the mean of its divisors is an integer number (99136316340).

Almost surely, 2^{2101320100233} is an apocalyptic number.

It is an amenable number.

2101320100233 is a deficient number, since it is larger than the sum of its proper divisors (1071042022647).

2101320100233 is a wasteful number, since it uses less digits than its factorization.

2101320100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258486 (or 258480 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2101320100233 its reverse (3320010231012), we get a palindrome (5421330331245).

The spelling of 2101320100233 in words is "two trillion, one hundred one billion, three hundred twenty million, one hundred thousand, two hundred thirty-three".