1110222100 has 36 divisors (see below), whose sum is σ = 2594506684. Its totient is φ = 409927680.

The previous prime is 1110222097. The next prime is 1110222119. The reversal of 1110222100 is 12220111.

It can be written as a sum of positive squares in 6 ways, for example, as 799236 + 1109422864 = 894^2 + 33308^2 .

It is a super-2 number, since 2×1110222100² = 2465186222656820000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425709 + ... + 428308.

Almost surely, 2^1110222100 is an apocalyptic number.

1110222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110222100 is an abundant number, since it is smaller than the sum of its proper divisors (1484284584).

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

1110222100 is a wasteful number, since it uses less digits than its factorization.

1110222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854044 (or 854037 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1110222100 is about 33319.9954981990. The cubic root of 1110222100 is about 1035.4678585231.

Adding to 1110222100 its reverse (12220111), we get a palindrome (1122442211).

The spelling of 1110222100 in words is "one billion, one hundred ten million, two hundred twenty-two thousand, one hundred".