2123021102133 has 4 divisors (see below), whose sum is σ = 2830694802848. Its totient is φ = 1415347401420.

The previous prime is 2123021102129. The next prime is 2123021102219. The reversal of 2123021102133 is 3312011203212.

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 2123021102133 - 2² = 2123021102129 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 (2123021102533) 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, 353836850353 + ... + 353836850358.

It is an arithmetic number, because the mean of its divisors is an integer number (707673700712).

Almost surely, 2^{2123021102133} is an apocalyptic number.

It is an amenable number.

2123021102133 is a deficient number, since it is larger than the sum of its proper divisors (707673700715).

2123021102133 is an equidigital number, since it uses as much as digits as its factorization.

2123021102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707673700714.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2123021102133 its reverse (3312011203212), we get a palindrome (5435032305345).

The spelling of 2123021102133 in words is "two trillion, one hundred twenty-three billion, twenty-one million, one hundred two thousand, one hundred thirty-three".