11110221122122 has 4 divisors (see below), whose sum is σ = 16665331683186. Its totient is φ = 5555110561060.

The previous prime is 11110221122059. The next prime is 11110221122173. The reversal of 11110221122122 is 22122112201111.

It is a happy number.

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., 9733520179881 + 1376700942241 = 3119859^2 + 1173329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11110221122122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777555280529 + ... + 2777555280532.

Almost surely, 2^{11110221122122} is an apocalyptic number.

11110221122122 is a deficient number, since it is larger than the sum of its proper divisors (5555110561064).

11110221122122 is an equidigital number, since it uses as much as digits as its factorization.

11110221122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555110561063.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11110221122122 its reverse (22122112201111), we get a palindrome (33232333323233).

The spelling of 11110221122122 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".