111311101320222 has 64 divisors (see below), whose sum is σ = 235920476289024. Its totient is φ = 34891088494080.

The previous prime is 111311101320187. The next prime is 111311101320253. The reversal of 111311101320222 is 222023101113111.

It is a super-2 number, since 2×111311101320222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 702611343 + ... + 702769749.

It is an arithmetic number, because the mean of its divisors is an integer number (3686257442016).

Almost surely, 2^{111311101320222} is an apocalyptic number.

111311101320222 is an abundant number, since it is smaller than the sum of its proper divisors (124609374968802).

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

111311101320222 is a wasteful number, since it uses less digits than its factorization.

111311101320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164313.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 111311101320222 its reverse (222023101113111), we get a palindrome (333334202433333).

The spelling of 111311101320222 in words is "one hundred eleven trillion, three hundred eleven billion, one hundred one million, three hundred twenty thousand, two hundred twenty-two".