2121200312033 has 16 divisors (see below), whose sum is σ = 2345827824000. Its totient is φ = 1901873393280.

The previous prime is 2121200312003. The next prime is 2121200312039. The reversal of 2121200312033 is 3302130021212.

It is a cyclic number.

It is not a de Polignac number, because 2121200312033 - 2⁶ = 2121200311969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121200311996 and 2121200312014.

It is not an unprimeable number, because it can be changed into a prime (2121200312039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36418268 + ... + 36476466.

It is an arithmetic number, because the mean of its divisors is an integer number (146614239000).

Almost surely, 2^{2121200312033} is an apocalyptic number.

It is an amenable number.

2121200312033 is a deficient number, since it is larger than the sum of its proper divisors (224627511967).

2121200312033 is a wasteful number, since it uses less digits than its factorization.

2121200312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103672.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2121200312033 its reverse (3302130021212), we get a palindrome (5423330333245).

The spelling of 2121200312033 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred twelve thousand, thirty-three".