121111212110222 has 8 divisors (see below), whose sum is σ = 181713197247336. Its totient is φ = 60540146361112.

The previous prime is 121111212110219. The next prime is 121111212110227. The reversal of 121111212110222 is 222011212111121.

It is a happy number.

121111212110222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 121111212110194 and 121111212110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111212110227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7729837208 + ... + 7729852875.

It is an arithmetic number, because the mean of its divisors is an integer number (22714149655917).

Almost surely, 2^{121111212110222} is an apocalyptic number.

121111212110222 is a deficient number, since it is larger than the sum of its proper divisors (60601985137114).

121111212110222 is a wasteful number, since it uses less digits than its factorization.

121111212110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459694002.

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

Adding to 121111212110222 its reverse (222011212111121), we get a palindrome (343122424221343).

The spelling of 121111212110222 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-two".