11222051104489 has 9 divisors (see below), whose sum is σ = 11392272154557. Its totient is φ = 11054336708844.

The previous prime is 11222051104477. The next prime is 11222051104493. The reversal of 11222051104489 is 98440115022211.

The square root of 11222051104489 is 3349933.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 11222051104489 - 2¹¹ = 11222051102441 is a prime.

It is a super-2 number, since 2×11222051104489² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222051104189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 224420512 + ... + 224470510.

It is an arithmetic number, because the mean of its divisors is an integer number (1265808017173).

Almost surely, 2^{11222051104489} is an apocalyptic number.

11222051104489 is the 3349933-rd square number.

11222051104489 is the 1674967-th centered octagonal number.

It is an amenable number.

11222051104489 is a deficient number, since it is larger than the sum of its proper divisors (170221050068).

11222051104489 is an frugal number, since it uses more digits than its factorization.

11222051104489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100132 (or 50066 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 11222051104489 in words is "eleven trillion, two hundred twenty-two billion, fifty-one million, one hundred four thousand, four hundred eighty-nine".