2102201100999 has 8 divisors (see below), whose sum is σ = 3114372001520. Its totient is φ = 1401467400648.

The previous prime is 2102201100983. The next prime is 2102201101037. The reversal of 2102201100999 is 9990011022012.

It is not a de Polignac number, because 2102201100999 - 2⁴ = 2102201100983 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 (2102201100949) 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, 38929649992 + ... + 38929650045.

It is an arithmetic number, because the mean of its divisors is an integer number (389296500190).

Almost surely, 2^{2102201100999} is an apocalyptic number.

2102201100999 is a deficient number, since it is larger than the sum of its proper divisors (1012170900521).

2102201100999 is an equidigital number, since it uses as much as digits as its factorization.

2102201100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77859300046 (or 77859300040 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 2102201100999 in words is "two trillion, one hundred two billion, two hundred one million, one hundred thousand, nine hundred ninety-nine".