111201001222 has 16 divisors (see below), whose sum is σ = 180920999952. Its totient is φ = 51053543680.

The previous prime is 111201001189. The next prime is 111201001333. The reversal of 111201001222 is 222100102111.

111201001222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39884188 + ... + 39886975.

It is an arithmetic number, because the mean of its divisors is an integer number (11307562497).

Almost surely, 2^111201001222 is an apocalyptic number.

111201001222 is a deficient number, since it is larger than the sum of its proper divisors (69719998730).

111201001222 is a wasteful number, since it uses less digits than its factorization.

111201001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79771223.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111201001222 its reverse (222100102111), we get a palindrome (333301103333).

The spelling of 111201001222 in words is "one hundred eleven billion, two hundred one million, one thousand, two hundred twenty-two".