10200109201999 has 4 divisors (see below), whose sum is σ = 10800115625664. Its totient is φ = 9600102778336.

The previous prime is 10200109201991. The next prime is 10200109202027. The reversal of 10200109201999 is 99910290100201.

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 10200109201999 - 2³ = 10200109201991 is a prime.

It is a super-3 number, since 3×10200109201999³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200109201991) 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, 300003211807 + ... + 300003211840.

It is an arithmetic number, because the mean of its divisors is an integer number (2700028906416).

Almost surely, 2^{10200109201999} is an apocalyptic number.

10200109201999 is a deficient number, since it is larger than the sum of its proper divisors (600006423665).

10200109201999 is an equidigital number, since it uses as much as digits as its factorization.

10200109201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600006423664.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 10200109201999 in words is "ten trillion, two hundred billion, one hundred nine million, two hundred one thousand, nine hundred ninety-nine".