111120121121222 has 32 divisors (see below), whose sum is σ = 170986105008864. Its totient is φ = 54143486496000.

The previous prime is 111120121121213. The next prime is 111120121121369. The reversal of 111120121121222 is 222121121021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111120121121194 and 111120121121203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12704972 + ... + 19587152.

It is an arithmetic number, because the mean of its divisors is an integer number (5343315781527).

Almost surely, 2^{111120121121222} is an apocalyptic number.

111120121121222 is a deficient number, since it is larger than the sum of its proper divisors (59865983887642).

111120121121222 is a wasteful number, since it uses less digits than its factorization.

111120121121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883544.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111120121121222 its reverse (222121121021111), we get a palindrome (333241242142333).

The spelling of 111120121121222 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".