111421031222 has 16 divisors (see below), whose sum is σ = 169646164992. Its totient is φ = 54872506920.

The previous prime is 111421031221. The next prime is 111421031297. The reversal of 111421031222 is 222130124111.

It is a junction number, because it is equal to n+sod(n) for n = 111421031194 and 111421031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421031221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203023 + ... + 1292325.

It is an arithmetic number, because the mean of its divisors is an integer number (10602885312).

Almost surely, 2^111421031222 is an apocalyptic number.

111421031222 is a deficient number, since it is larger than the sum of its proper divisors (58225133770).

111421031222 is an equidigital number, since it uses as much as digits as its factorization.

111421031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98683.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111421031222 its reverse (222130124111), we get a palindrome (333551155333).

The spelling of 111421031222 in words is "one hundred eleven billion, four hundred twenty-one million, thirty-one thousand, two hundred twenty-two".