111223457890 has 8 divisors (see below), whose sum is σ = 200202224220. Its totient is φ = 44489383152.

The previous prime is 111223457887. The next prime is 111223457921. The reversal of 111223457890 is 98754322111.

It can be written as a sum of positive squares in 2 ways, for example, as 103902430921 + 7321026969 = 322339^2 + 85563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561172885 + ... + 5561172904.

Almost surely, 2^111223457890 is an apocalyptic number.

111223457890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111223457890 is a deficient number, since it is larger than the sum of its proper divisors (88978766330).

111223457890 is a wasteful number, since it uses less digits than its factorization.

111223457890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122345796.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 111223457890 in words is "one hundred eleven billion, two hundred twenty-three million, four hundred fifty-seven thousand, eight hundred ninety".