2120211212233 has 4 divisors (see below), whose sum is σ = 2131311794688. Its totient is φ = 2109110629780.

The previous prime is 2120211212227. The next prime is 2120211212267. The reversal of 2120211212233 is 3322121120212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120211212233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120217212233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550290941 + ... + 5550291322.

It is an arithmetic number, because the mean of its divisors is an integer number (532827948672).

Almost surely, 2^{2120211212233} is an apocalyptic number.

It is an amenable number.

2120211212233 is a deficient number, since it is larger than the sum of its proper divisors (11100582455).

2120211212233 is a wasteful number, since it uses less digits than its factorization.

2120211212233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100582454.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2120211212233 its reverse (3322121120212), we get a palindrome (5442332332445).

The spelling of 2120211212233 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twelve thousand, two hundred thirty-three".