11222117298 has 270 divisors, whose sum is σ = 31051666503. Its totient is φ = 3020250240.

The previous prime is 11222117297. The next prime is 11222117311. The reversal of 11222117298 is 89271122211.

It can be written as a sum of positive squares in 5 ways, for example, as 663938289 + 10558179009 = 25767^2 + 102753^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74907.

Its product of digits (8064) is a multiple of the sum of its prime factors (168).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11222117293) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 273710158 + ... + 273710198.

Almost surely, 2^11222117298 is an apocalyptic number.

11222117298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222117298

11222117298 is an abundant number, since it is smaller than the sum of its proper divisors (19829549205).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222117298 is an equidigital number, since it uses as much as digits as its factorization.

11222117298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 82 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The spelling of 11222117298 in words is "eleven billion, two hundred twenty-two million, one hundred seventeen thousand, two hundred ninety-eight".