2110021001999 has 2 divisors, whose sum is σ = 2110021002000. Its totient is φ = 2110021001998.

The previous prime is 2110021001983. The next prime is 2110021002101. The reversal of 2110021001999 is 9991001200112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2110021001999 - 2⁴ = 2110021001983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110021001299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010500999 + 1055010501000.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010501000).

Almost surely, 2^{2110021001999} is an apocalyptic number.

2110021001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110021001999 is an equidigital number, since it uses as much as digits as its factorization.

2110021001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 2110021001999 in words is "two trillion, one hundred ten billion, twenty-one million, one thousand, nine hundred ninety-nine".