2120211220233 has 4 divisors (see below), whose sum is σ = 2826948293648. Its totient is φ = 1413474146820.

The previous prime is 2120211220229. The next prime is 2120211220247. The reversal of 2120211220233 is 3320221120212.

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 not a de Polignac number, because 2120211220233 - 2² = 2120211220229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120211220223) 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, 353368536703 + ... + 353368536708.

It is an arithmetic number, because the mean of its divisors is an integer number (706737073412).

Almost surely, 2^{2120211220233} is an apocalyptic number.

It is an amenable number.

2120211220233 is a deficient number, since it is larger than the sum of its proper divisors (706737073415).

2120211220233 is an equidigital number, since it uses as much as digits as its factorization.

2120211220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706737073414.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2120211220233 its reverse (3320221120212), we get a palindrome (5440432340445).

The spelling of 2120211220233 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred thirty-three".