2120300021299 has 2 divisors, whose sum is σ = 2120300021300. Its totient is φ = 2120300021298.

The previous prime is 2120300021269. The next prime is 2120300021353. The reversal of 2120300021299 is 9921200030212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120300021299 - 2³⁵ = 2085940282931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120300021299.

It is not a weakly prime, because it can be changed into another prime (2120300021269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060150010649 + 1060150010650.

It is an arithmetic number, because the mean of its divisors is an integer number (1060150010650).

Almost surely, 2^{2120300021299} is an apocalyptic number.

2120300021299 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120300021299 is an equidigital number, since it uses as much as digits as its factorization.

2120300021299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 2120300021299 in words is "two trillion, one hundred twenty billion, three hundred million, twenty-one thousand, two hundred ninety-nine".