2102033133021 has 4 divisors (see below), whose sum is σ = 2802710844032. Its totient is φ = 1401355422012.

The previous prime is 2102033132987. The next prime is 2102033133043. The reversal of 2102033133021 is 1203313302012.

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 2102033133021 - 2¹¹ = 2102033130973 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 (2102033133121) 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, 350338855501 + ... + 350338855506.

It is an arithmetic number, because the mean of its divisors is an integer number (700677711008).

Almost surely, 2^{2102033133021} is an apocalyptic number.

It is an amenable number.

2102033133021 is a deficient number, since it is larger than the sum of its proper divisors (700677711011).

2102033133021 is an equidigital number, since it uses as much as digits as its factorization.

2102033133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700677711010.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2102033133021 its reverse (1203313302012), we get a palindrome (3305346435033).

The spelling of 2102033133021 in words is "two trillion, one hundred two billion, thirty-three million, one hundred thirty-three thousand, twenty-one".