102011001999 has 8 divisors (see below), whose sum is σ = 136025820672. Its totient is φ = 68001759000.

The previous prime is 102011001971. The next prime is 102011002007. The reversal of 102011001999 is 999100110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102011001999 - 2¹³ = 102010993807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011001929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351039 + ... + 1424544.

It is an arithmetic number, because the mean of its divisors is an integer number (17003227584).

Almost surely, 2^102011001999 is an apocalyptic number.

102011001999 is a deficient number, since it is larger than the sum of its proper divisors (34014818673).

102011001999 is a wasteful number, since it uses less digits than its factorization.

102011001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787837.

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

The spelling of 102011001999 in words is "one hundred two billion, eleven million, one thousand, nine hundred ninety-nine".