111111210022 has 8 divisors (see below), whose sum is σ = 166849767072. Its totient is φ = 55494621000.

The previous prime is 111111210013. The next prime is 111111210103. The reversal of 111111210022 is 220012111111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111111209984 and 111111210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30489729 + ... + 30493372.

It is an arithmetic number, because the mean of its divisors is an integer number (20856220884).

Almost surely, 2^111111210022 is an apocalyptic number.

111111210022 is a deficient number, since it is larger than the sum of its proper divisors (55738557050).

111111210022 is an equidigital number, since it uses as much as digits as its factorization.

111111210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60984014.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111111210022 its reverse (220012111111), we get a palindrome (331123321133).

The spelling of 111111210022 in words is "one hundred eleven billion, one hundred eleven million, two hundred ten thousand, twenty-two".