121011102211222 has 16 divisors (see below), whose sum is σ = 191459306347200. Its totient is φ = 57204304927560.

The previous prime is 121011102211211. The next prime is 121011102211229. The reversal of 121011102211222 is 222112201110121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 121011102211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011102211229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242855772 + ... + 3242893087.

It is an arithmetic number, because the mean of its divisors is an integer number (11966206646700).

Almost surely, 2^{121011102211222} is an apocalyptic number.

121011102211222 is a deficient number, since it is larger than the sum of its proper divisors (70448204135978).

121011102211222 is a wasteful number, since it uses less digits than its factorization.

121011102211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485749371.

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

Adding to 121011102211222 its reverse (222112201110121), we get a palindrome (343123303321343).

The spelling of 121011102211222 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, two hundred eleven thousand, two hundred twenty-two".