10001122201999 has 4 divisors (see below), whose sum is σ = 10001141995936. Its totient is φ = 10001102408064.

The previous prime is 10001122201991. The next prime is 10001122202077. The reversal of 10001122201999 is 99910222110001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10001122201999 - 2³ = 10001122201991 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 (10001122201991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9118674 + ... + 10156399.

It is an arithmetic number, because the mean of its divisors is an integer number (2500285498984).

Almost surely, 2^{10001122201999} is an apocalyptic number.

10001122201999 is a deficient number, since it is larger than the sum of its proper divisors (19793937).

10001122201999 is an equidigital number, since it uses as much as digits as its factorization.

10001122201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793936.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 10001122201999 in words is "ten trillion, one billion, one hundred twenty-two million, two hundred one thousand, nine hundred ninety-nine".