121110201211222 has 16 divisors (see below), whose sum is σ = 182780663735232. Its totient is φ = 60183316758600.

The previous prime is 121110201211211. The next prime is 121110201211231. The reversal of 121110201211222 is 222112102011121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121110201211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81200097 + ... + 82678147.

It is an arithmetic number, because the mean of its divisors is an integer number (11423791483452).

Almost surely, 2^{121110201211222} is an apocalyptic number.

121110201211222 is a deficient number, since it is larger than the sum of its proper divisors (61670462524010).

121110201211222 is a wasteful number, since it uses less digits than its factorization.

121110201211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729563.

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

Adding to 121110201211222 its reverse (222112102011121), we get a palindrome (343222303222343).

The spelling of 121110201211222 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred one million, two hundred eleven thousand, two hundred twenty-two".