2201000022191 has 4 divisors (see below), whose sum is σ = 2201016124032. Its totient is φ = 2200983920352.

The previous prime is 2201000022173. The next prime is 2201000022209. The reversal of 2201000022191 is 1912200001022.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2201000022173) and next prime (2201000022209).

It is a cyclic number.

It is not a de Polignac number, because 2201000022191 - 2¹⁰ = 2201000021167 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 (2201000022491) 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, 7844111 + ... + 8119856.

It is an arithmetic number, because the mean of its divisors is an integer number (550254031008).

Almost surely, 2^{2201000022191} is an apocalyptic number.

2201000022191 is a deficient number, since it is larger than the sum of its proper divisors (16101841).

2201000022191 is a wasteful number, since it uses less digits than its factorization.

2201000022191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101840.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2201000022191 in words is "two trillion, two hundred one billion, twenty-two thousand, one hundred ninety-one".