11120221969 has 2 divisors, whose sum is σ = 11120221970. Its totient is φ = 11120221968.

The previous prime is 11120221967. The next prime is 11120222011. The reversal of 11120221969 is 96912202111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10100250000 + 1019971969 = 100500^2 + 31937^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120221969 - 2¹ = 11120221967 is a prime.

It is a super-2 number, since 2×11120221969² (a number of 21 digits) contains 22 as substring.

Together with 11120221967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11120221967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560110984 + 5560110985.

It is an arithmetic number, because the mean of its divisors is an integer number (5560110985).

Almost surely, 2^11120221969 is an apocalyptic number.

It is an amenable number.

11120221969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120221969 is an equidigital number, since it uses as much as digits as its factorization.

11120221969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11120221969 in words is "eleven billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred sixty-nine".