111121221210022 has 32 divisors (see below), whose sum is σ = 174613796280000. Its totient is φ = 52935667580928.

The previous prime is 111121221210007. The next prime is 111121221210047. The reversal of 111121221210022 is 220012122121111.

It is a happy number.

111121221210022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 266365854 + ... + 266782702.

It is an arithmetic number, because the mean of its divisors is an integer number (5456681133750).

Almost surely, 2^{111121221210022} is an apocalyptic number.

111121221210022 is a deficient number, since it is larger than the sum of its proper divisors (63492575069978).

111121221210022 is a wasteful number, since it uses less digits than its factorization.

111121221210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439680.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111121221210022 its reverse (220012122121111), we get a palindrome (331133343331133).

The spelling of 111121221210022 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, twenty-two".