121111011110222 has 32 divisors (see below), whose sum is σ = 211548288881664. Its totient is φ = 50922477684000.

The previous prime is 121111011110191. The next prime is 121111011110333. The reversal of 121111011110222 is 222011110111121.

It is a self number, because there is not a number n which added to its sum of digits gives 121111011110222.

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, 8372897 + ... + 17672787.

It is an arithmetic number, because the mean of its divisors is an integer number (6610884027552).

Almost surely, 2^{121111011110222} is an apocalyptic number.

121111011110222 is a deficient number, since it is larger than the sum of its proper divisors (90437277771442).

121111011110222 is a wasteful number, since it uses less digits than its factorization.

121111011110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317504.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121111011110222 its reverse (222011110111121), we get a palindrome (343122121221343).

The spelling of 121111011110222 in words is "one hundred twenty-one trillion, one hundred eleven billion, eleven million, one hundred ten thousand, two hundred twenty-two".