2002111220999 has 2 divisors, whose sum is σ = 2002111221000. Its totient is φ = 2002111220998.

The previous prime is 2002111220987. The next prime is 2002111221013. The reversal of 2002111220999 is 9990221112002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002111220999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002111220299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055610499 + 1001055610500.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055610500).

Almost surely, 2^{2002111220999} is an apocalyptic number.

2002111220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111220999 is an equidigital number, since it uses as much as digits as its factorization.

2002111220999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2002111220999 in words is "two trillion, two billion, one hundred eleven million, two hundred twenty thousand, nine hundred ninety-nine".