2100233322021 has 4 divisors (see below), whose sum is σ = 2800311096032. Its totient is φ = 1400155548012.

The previous prime is 2100233322001. The next prime is 2100233322037. The reversal of 2100233322021 is 1202233320012.

It is a happy number.

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 2100233322021 - 2²³ = 2100224933413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100233322001) 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, 350038887001 + ... + 350038887006.

It is an arithmetic number, because the mean of its divisors is an integer number (700077774008).

Almost surely, 2^{2100233322021} is an apocalyptic number.

It is an amenable number.

2100233322021 is a deficient number, since it is larger than the sum of its proper divisors (700077774011).

2100233322021 is an equidigital number, since it uses as much as digits as its factorization.

2100233322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700077774010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2100233322021 its reverse (1202233320012), we get a palindrome (3302466642033).

The spelling of 2100233322021 in words is "two trillion, one hundred billion, two hundred thirty-three million, three hundred twenty-two thousand, twenty-one".