111321322201210 has 32 divisors (see below), whose sum is σ = 218670313813632. Its totient is φ = 40466459042880.

The previous prime is 111321322201163. The next prime is 111321322201211. The reversal of 111321322201210 is 12102223123111.

It is a happy number.

It is a super-2 number, since 2×111321322201210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (111321322201211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174952957 + ... + 175588096.

It is an arithmetic number, because the mean of its divisors is an integer number (6833447306676).

Almost surely, 2^{111321322201210} is an apocalyptic number.

111321322201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111321322201210 is a deficient number, since it is larger than the sum of its proper divisors (107348991612422).

111321322201210 is a wasteful number, since it uses less digits than its factorization.

111321322201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350543958.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111321322201210 its reverse (12102223123111), we get a palindrome (123423545324321).

The spelling of 111321322201210 in words is "one hundred eleven trillion, three hundred twenty-one billion, three hundred twenty-two million, two hundred one thousand, two hundred ten".