111013311222 has 72 divisors (see below), whose sum is σ = 267109046568. Its totient is φ = 33293525760.

The previous prime is 111013311163. The next prime is 111013311223. The reversal of 111013311222 is 222113310111.

111013311222 is a `hidden beast` number, since 1 + 110 + 1 + 331 + 1 + 222 = 666.

It is a super-2 number, since 2×111013311222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111013311195 and 111013311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111013311223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51468 + ... + 473999.

It is an arithmetic number, because the mean of its divisors is an integer number (3709847869).

Almost surely, 2^111013311222 is an apocalyptic number.

111013311222 is an abundant number, since it is smaller than the sum of its proper divisors (156095735346).

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

111013311222 is a wasteful number, since it uses less digits than its factorization.

111013311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525594 (or 525580 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111013311222 its reverse (222113310111), we get a palindrome (333126621333).

The spelling of 111013311222 in words is "one hundred eleven billion, thirteen million, three hundred eleven thousand, two hundred twenty-two".