2121002000233 has 12 divisors (see below), whose sum is σ = 2247601974100. Its totient is φ = 2000992916736.

The previous prime is 2121002000213. The next prime is 2121002000269. The reversal of 2121002000233 is 3320002001212.

It can be written as a sum of positive squares in 2 ways, for example, as 1389776916544 + 731225083689 = 1178888^2 + 855117^2 .

It is not a de Polignac number, because 2121002000233 - 2³⁷ = 1983563046761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121002000213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27423408 + ... + 27500641.

Almost surely, 2^{2121002000233} is an apocalyptic number.

2121002000233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2121002000233 is a deficient number, since it is larger than the sum of its proper divisors (126599973867).

2121002000233 is an equidigital number, since it uses as much as digits as its factorization.

2121002000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54924168 (or 54924145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2121002000233 its reverse (3320002001212), we get a palindrome (5441004001445).

The spelling of 2121002000233 in words is "two trillion, one hundred twenty-one billion, two million, two hundred thirty-three", and thus it is an aban number.