111322231010 has 128 divisors (see below), whose sum is σ = 231451084800. Its totient is φ = 38270914560.

The previous prime is 111322230961. The next prime is 111322231019. The reversal of 111322231010 is 10132223111.

It is a super-3 number, since 3×111322231010³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 111322231010.

It is not an unprimeable number, because it can be changed into a prime (111322231019) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 26932904 + ... + 26937036.

It is an arithmetic number, because the mean of its divisors is an integer number (1808211600).

Almost surely, 2^111322231010 is an apocalyptic number.

111322231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111322231010 is an abundant number, since it is smaller than the sum of its proper divisors (120128853790).

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

111322231010 is a wasteful number, since it uses less digits than its factorization.

111322231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111322231010 its reverse (10132223111), we get a palindrome (121454454121).

The spelling of 111322231010 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred thirty-one thousand, ten".