2231222200091 has 2 divisors, whose sum is σ = 2231222200092. Its totient is φ = 2231222200090.

The previous prime is 2231222200003. The next prime is 2231222200147. The reversal of 2231222200091 is 1900022221322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231222200091 is a prime.

It is a super-3 number, since 3×2231222200091³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231222200091.

It is not a weakly prime, because it can be changed into another prime (2231222230091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115611100045 + 1115611100046.

It is an arithmetic number, because the mean of its divisors is an integer number (1115611100046).

Almost surely, 2^{2231222200091} is an apocalyptic number.

2231222200091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231222200091 is an equidigital number, since it uses as much as digits as its factorization.

2231222200091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 2231222200091 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thousand, ninety-one".