111222212102 has 8 divisors (see below), whose sum is σ = 167014858800. Its totient is φ = 55550592504.

The previous prime is 111222212093. The next prime is 111222212111. The reversal of 111222212102 is 201212222111.

It is an interprime number because it is at equal distance from previous prime (111222212093) and next prime (111222212111).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30254477 + ... + 30258152.

It is an arithmetic number, because the mean of its divisors is an integer number (20876857350).

Almost surely, 2^111222212102 is an apocalyptic number.

111222212102 is a deficient number, since it is larger than the sum of its proper divisors (55792646698).

111222212102 is an equidigital number, since it uses as much as digits as its factorization.

111222212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60513550.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111222212102 its reverse (201212222111), we get a palindrome (312434434213).

The spelling of 111222212102 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred twelve thousand, one hundred two".