111122011222010 has 64 divisors (see below), whose sum is σ = 204528921022080. Its totient is φ = 43452812931840.

The previous prime is 111122011222009. The next prime is 111122011222043. The reversal of 111122011222010 is 10222110221111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111122011222010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3469402676 + ... + 3469434704.

It is an arithmetic number, because the mean of its divisors is an integer number (3195764390970).

Almost surely, 2^{111122011222010} is an apocalyptic number.

111122011222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122011222010 is a deficient number, since it is larger than the sum of its proper divisors (93406909800070).

111122011222010 is a wasteful number, since it uses less digits than its factorization.

111122011222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55503.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111122011222010 its reverse (10222110221111), we get a palindrome (121344121443121).

The spelling of 111122011222010 in words is "one hundred eleven trillion, one hundred twenty-two billion, eleven million, two hundred twenty-two thousand, ten".