1010102001999 has 4 divisors (see below), whose sum is σ = 1346802669336. Its totient is φ = 673401334664.

The previous prime is 1010102001949. The next prime is 1010102002001. The reversal of 1010102001999 is 9991002010101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010102001999 - 2⁸ = 1010102001743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010102001929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168350333664 + ... + 168350333669.

It is an arithmetic number, because the mean of its divisors is an integer number (336700667334).

Almost surely, 2^{1010102001999} is an apocalyptic number.

1010102001999 is a deficient number, since it is larger than the sum of its proper divisors (336700667337).

1010102001999 is an equidigital number, since it uses as much as digits as its factorization.

1010102001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336700667336.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 1010102001999 in words is "one trillion, ten billion, one hundred two million, one thousand, nine hundred ninety-nine".