2120222021999 has 2 divisors, whose sum is σ = 2120222022000. Its totient is φ = 2120222021998.

The previous prime is 2120222021977. The next prime is 2120222022019. The reversal of 2120222021999 is 9991202220212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120222021999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120222021909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060111010999 + 1060111011000.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111011000).

Almost surely, 2^{2120222021999} is an apocalyptic number.

2120222021999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120222021999 is an equidigital number, since it uses as much as digits as its factorization.

2120222021999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 2120222021999 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, twenty-one thousand, nine hundred ninety-nine".