20110201000999 has 16 divisors (see below), whose sum is σ = 20896060792320. Its totient is φ = 19330507738080.

The previous prime is 20110201000987. The next prime is 20110201001047. The reversal of 20110201000999 is 99900010201102.

It is a cyclic number.

It is not a de Polignac number, because 20110201000999 - 2¹³ = 20110200992807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110201000399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335907142 + ... + 335967004.

It is an arithmetic number, because the mean of its divisors is an integer number (1306003799520).

Almost surely, 2^{20110201000999} is an apocalyptic number.

20110201000999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20110201000999 is a deficient number, since it is larger than the sum of its proper divisors (785859791321).

20110201000999 is a wasteful number, since it uses less digits than its factorization.

20110201000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111150.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 20110201000999 in words is "twenty trillion, one hundred ten billion, two hundred one million, nine hundred ninety-nine", and thus it is an aban number.