111321212103222 has 72 divisors (see below), whose sum is σ = 253452368675688. Its totient is φ = 32570469402240.

The previous prime is 111321212103139. The next prime is 111321212103223. The reversal of 111321212103222 is 222301212123111.

It is a junction number, because it is equal to n+sod(n) for n = 111321212103192 and 111321212103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321212103223) 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, 90551743 + ... + 91772874.

Almost surely, 2^{111321212103222} is an apocalyptic number.

111321212103222 is an abundant number, since it is smaller than the sum of its proper divisors (142131156572466).

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

111321212103222 is a wasteful number, since it uses less digits than its factorization.

111321212103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182324702 (or 182324662 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111321212103222 its reverse (222301212123111), we get a palindrome (333622424226333).

The spelling of 111321212103222 in words is "one hundred eleven trillion, three hundred twenty-one billion, two hundred twelve million, one hundred three thousand, two hundred twenty-two".