2120121300233 has 2 divisors, whose sum is σ = 2120121300234. Its totient is φ = 2120121300232.

The previous prime is 2120121300217. The next prime is 2120121300257. The reversal of 2120121300233 is 3320031210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2075780733049 + 44340567184 = 1440757^2 + 210572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120121300233 - 2⁴ = 2120121300217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120121305233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060060650116 + 1060060650117.

It is an arithmetic number, because the mean of its divisors is an integer number (1060060650117).

Almost surely, 2^{2120121300233} is an apocalyptic number.

It is an amenable number.

2120121300233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120121300233 is an equidigital number, since it uses as much as digits as its factorization.

2120121300233 is an evil number, because the sum of its binary digits is even.

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

Adding to 2120121300233 its reverse (3320031210212), we get a palindrome (5440152510445).

The spelling of 2120121300233 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, three hundred thousand, two hundred thirty-three".