121032211222 has 16 divisors (see below), whose sum is σ = 195574976352. Its totient is φ = 55843476480.

The previous prime is 121032211211. The next prime is 121032211243. The reversal of 121032211222 is 222112230121.

It is a self number, because there is not a number n which added to its sum of digits gives 121032211222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646443 + ... + 812374.

It is an arithmetic number, because the mean of its divisors is an integer number (12223436022).

Almost surely, 2^121032211222 is an apocalyptic number.

121032211222 is a deficient number, since it is larger than the sum of its proper divisors (74542765130).

121032211222 is a wasteful number, since it uses less digits than its factorization.

121032211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462023.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121032211222 its reverse (222112230121), we get a palindrome (343144441343).

The spelling of 121032211222 in words is "one hundred twenty-one billion, thirty-two million, two hundred eleven thousand, two hundred twenty-two".