111203222222 has 4 divisors (see below), whose sum is σ = 166804833336. Its totient is φ = 55601611110.

The previous prime is 111203222219. The next prime is 111203222239. The reversal of 111203222222 is 222222302111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111203222194 and 111203222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800805554 + ... + 27800805557.

It is an arithmetic number, because the mean of its divisors is an integer number (41701208334).

Almost surely, 2^111203222222 is an apocalyptic number.

111203222222 is a deficient number, since it is larger than the sum of its proper divisors (55601611114).

111203222222 is an equidigital number, since it uses as much as digits as its factorization.

111203222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55601611113.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 111203222222 its reverse (222222302111), we get a palindrome (333425524333).

The spelling of 111203222222 in words is "one hundred eleven billion, two hundred three million, two hundred twenty-two thousand, two hundred twenty-two".