20002211099999 has 12 divisors (see below), whose sum is σ = 20668658765040. Its totient is φ = 19356602839200.

The previous prime is 20002211099953. The next prime is 20002211100041. The reversal of 20002211099999 is 99999011220002.

It is not a de Polignac number, because 20002211099999 - 2²⁰ = 20002210051423 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002211099999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002211099399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58094747 + ... + 58438035.

It is an arithmetic number, because the mean of its divisors is an integer number (1722388230420).

Almost surely, 2^{20002211099999} is an apocalyptic number.

20002211099999 is a deficient number, since it is larger than the sum of its proper divisors (666447665041).

20002211099999 is an equidigital number, since it uses as much as digits as its factorization.

20002211099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403982 (or 403951 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 20002211099999 in words is "twenty trillion, two billion, two hundred eleven million, ninety-nine thousand, nine hundred ninety-nine".