111122212010 has 8 divisors (see below), whose sum is σ = 200019981636. Its totient is φ = 44448884800.

The previous prime is 111122212007. The next prime is 111122212037. The reversal of 111122212010 is 10212221111.

It can be written as a sum of positive squares in 2 ways, for example, as 103723287721 + 7398924289 = 322061^2 + 86017^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556110591 + ... + 5556110610.

Almost surely, 2^111122212010 is an apocalyptic number.

111122212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122212010 is a deficient number, since it is larger than the sum of its proper divisors (88897769626).

111122212010 is a wasteful number, since it uses less digits than its factorization.

111122212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112221208.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111122212010 its reverse (10212221111), we get a palindrome (121334433121).

The spelling of 111122212010 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, ten".