401122232340091 has 2 divisors, whose sum is σ = 401122232340092. Its totient is φ = 401122232340090.

The previous prime is 401122232340047. The next prime is 401122232340149. The reversal of 401122232340091 is 190043232221104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401122232340091 - 2⁹ = 401122232339579 is a prime.

It is a super-2 number, since 2×401122232340091² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401122232344091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200561116170045 + 200561116170046.

It is an arithmetic number, because the mean of its divisors is an integer number (200561116170046).

Almost surely, 2^{401122232340091} is an apocalyptic number.

401122232340091 is a deficient number, since it is larger than the sum of its proper divisors (1).

401122232340091 is an equidigital number, since it uses as much as digits as its factorization.

401122232340091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 401122232340091 its reverse (190043232221104), we get a palindrome (591165464561195).

The spelling of 401122232340091 in words is "four hundred one trillion, one hundred twenty-two billion, two hundred thirty-two million, three hundred forty thousand, ninety-one".