2122122100999 has 2 divisors, whose sum is σ = 2122122101000. Its totient is φ = 2122122100998.

The previous prime is 2122122100939. The next prime is 2122122101003. The reversal of 2122122100999 is 9990012212212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122122100999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122122100919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061061050499 + 1061061050500.

It is an arithmetic number, because the mean of its divisors is an integer number (1061061050500).

Almost surely, 2^{2122122100999} is an apocalyptic number.

2122122100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122122100999 is an equidigital number, since it uses as much as digits as its factorization.

2122122100999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 2122122100999 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, nine hundred ninety-nine".