2022200020091 has 4 divisors (see below), whose sum is σ = 2025564746184. Its totient is φ = 2018835294000.

The previous prime is 2022200020079. The next prime is 2022200020177. The reversal of 2022200020091 is 1900200022202.

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 2022200020091 - 2³⁴ = 2005020150907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022200020021) 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, 1682362145 + ... + 1682363346.

It is an arithmetic number, because the mean of its divisors is an integer number (506391186546).

Almost surely, 2^{2022200020091} is an apocalyptic number.

2022200020091 is a deficient number, since it is larger than the sum of its proper divisors (3364726093).

2022200020091 is an equidigital number, since it uses as much as digits as its factorization.

2022200020091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364726092.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2022200020091 its reverse (1900200022202), we get a palindrome (3922400042293).

The spelling of 2022200020091 in words is "two trillion, twenty-two billion, two hundred million, twenty thousand, ninety-one".