221441011369 has 2 divisors, whose sum is σ = 221441011370. Its totient is φ = 221441011368.

The previous prime is 221441011343. The next prime is 221441011469. The reversal of 221441011369 is 963110144122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176138017344 + 45302994025 = 419688^2 + 212845^2 .

It is a cyclic number.

It is not a de Polignac number, because 221441011369 - 2²⁵ = 221407456937 is a prime.

It is a super-2 number, since 2×221441011369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221441011469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110720505684 + 110720505685.

It is an arithmetic number, because the mean of its divisors is an integer number (110720505685).

Almost surely, 2^221441011369 is an apocalyptic number.

It is an amenable number.

221441011369 is a deficient number, since it is larger than the sum of its proper divisors (1).

221441011369 is an equidigital number, since it uses as much as digits as its factorization.

221441011369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 221441011369 in words is "two hundred twenty-one billion, four hundred forty-one million, eleven thousand, three hundred sixty-nine".