2199019912001 has 6 divisors (see below), whose sum is σ = 2417104531506. Its totient is φ = 1999109010800.

The previous prime is 2199019911989. The next prime is 2199019912057. The reversal of 2199019912001 is 1002199109912.

It can be written as a sum of positive squares in only one way, i.e., 2095036235776 + 103983676225 = 1447424^2 + 322465^2 .

It is not a de Polignac number, because 2199019912001 - 2⁶ = 2199019911937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199019912301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9086859020 + ... + 9086859261.

It is an arithmetic number, because the mean of its divisors is an integer number (402850755251).

Almost surely, 2^{2199019912001} is an apocalyptic number.

It is an amenable number.

2199019912001 is a deficient number, since it is larger than the sum of its proper divisors (218084619505).

2199019912001 is a wasteful number, since it uses less digits than its factorization.

2199019912001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173718303 (or 18173718292 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 44.

It can be divided in two parts, 21990 and 19912001, that added together give a palindrome (19933991).

The spelling of 2199019912001 in words is "two trillion, one hundred ninety-nine billion, nineteen million, nine hundred twelve thousand, one".