11115222161122 has 4 divisors (see below), whose sum is σ = 16672833241686. Its totient is φ = 5557611080560.

The previous prime is 11115222161119. The next prime is 11115222161179. The reversal of 11115222161122 is 22116122251111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11114029080441 + 1193080681 = 3333771^2 + 34541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778805540279 + ... + 2778805540282.

Almost surely, 2^{11115222161122} is an apocalyptic number.

11115222161122 is a deficient number, since it is larger than the sum of its proper divisors (5557611080564).

11115222161122 is an equidigital number, since it uses as much as digits as its factorization.

11115222161122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557611080563.

The product of its digits is 960, while the sum is 28.

The spelling of 11115222161122 in words is "eleven trillion, one hundred fifteen billion, two hundred twenty-two million, one hundred sixty-one thousand, one hundred twenty-two".