111220121200222 has 8 divisors (see below), whose sum is σ = 166838234678136. Its totient is φ = 55607376307512.

The previous prime is 111220121200187. The next prime is 111220121200289. The reversal of 111220121200222 is 222002121022111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111220121200222.

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, 1342094508 + ... + 1342177375.

It is an arithmetic number, because the mean of its divisors is an integer number (20854779334767).

Almost surely, 2^{111220121200222} is an apocalyptic number.

111220121200222 is a deficient number, since it is larger than the sum of its proper divisors (55618113477914).

111220121200222 is a wasteful number, since it uses less digits than its factorization.

111220121200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684292602.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111220121200222 its reverse (222002121022111), we get a palindrome (333222242222333).

The spelling of 111220121200222 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-two".