111231100013222 has 32 divisors (see below), whose sum is σ = 192873464539200. Its totient is φ = 47122849433088.

The previous prime is 111231100013191. The next prime is 111231100013333. The reversal of 111231100013222 is 222310001132111.

It is a super-2 number, since 2×111231100013222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111231100013194 and 111231100013203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464933 + ... + 16256000.

It is an arithmetic number, because the mean of its divisors is an integer number (6027295766850).

Almost surely, 2^{111231100013222} is an apocalyptic number.

111231100013222 is a deficient number, since it is larger than the sum of its proper divisors (81642364525978).

111231100013222 is a wasteful number, since it uses less digits than its factorization.

111231100013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22724960.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111231100013222 its reverse (222310001132111), we get a palindrome (333541101145333).

The spelling of 111231100013222 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred million, thirteen thousand, two hundred twenty-two".