1111220088 has 32 divisors (see below), whose sum is σ = 3030600960. Its totient is φ = 336733280.

The previous prime is 1111220087. The next prime is 1111220119. The reversal of 1111220088 is 8800221111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104320 + ... + 2104847.

It is an arithmetic number, because the mean of its divisors is an integer number (94706280).

Almost surely, 2^1111220088 is an apocalyptic number.

It is an amenable number.

1111220088 is an abundant number, since it is smaller than the sum of its proper divisors (1919380872).

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

1111220088 is a wasteful number, since it uses less digits than its factorization.

1111220088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209187 (or 4209183 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 1111220088 is about 33334.9679465873. The cubic root of 1111220088 is about 1035.7780291975.

Adding to 1111220088 its reverse (8800221111), we get a palindrome (9911441199).

The spelling of 1111220088 in words is "one billion, one hundred eleven million, two hundred twenty thousand, eighty-eight".