2120300021233 has 2 divisors, whose sum is σ = 2120300021234. Its totient is φ = 2120300021232.

The previous prime is 2120300021227. The next prime is 2120300021269. The reversal of 2120300021233 is 3321200030212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116841035249 + 1003458985984 = 1056807^2 + 1001728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120300021233 - 2¹⁷ = 2120299890161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120300021233.

It is not a weakly prime, because it can be changed into another prime (2120300061233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060150010616 + 1060150010617.

It is an arithmetic number, because the mean of its divisors is an integer number (1060150010617).

Almost surely, 2^{2120300021233} is an apocalyptic number.

It is an amenable number.

2120300021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120300021233 is an equidigital number, since it uses as much as digits as its factorization.

2120300021233 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 19.

Adding to 2120300021233 its reverse (3321200030212), we get a palindrome (5441500051445).

The spelling of 2120300021233 in words is "two trillion, one hundred twenty billion, three hundred million, twenty-one thousand, two hundred thirty-three".