210001001099 has 8 divisors (see below), whose sum is σ = 217248071760. Its totient is φ = 202754307616.

The previous prime is 210001001083. The next prime is 210001001131. The reversal of 210001001099 is 990100100012.

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

It is a cyclic number.

It is not a de Polignac number, because 210001001099 - 2⁴ = 210001001083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210001001039) 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, 1489664 + ... + 1624530.

It is an arithmetic number, because the mean of its divisors is an integer number (27156008970).

Almost surely, 2^210001001099 is an apocalyptic number.

210001001099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

210001001099 is a deficient number, since it is larger than the sum of its proper divisors (7247070661).

210001001099 is a wasteful number, since it uses less digits than its factorization.

210001001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188589.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 210001001099 in words is "two hundred ten billion, one million, one thousand, ninety-nine".