1211121130222 has 32 divisors (see below), whose sum is σ = 1868967561600. Its totient is φ = 588411952128.

The previous prime is 1211121130213. The next prime is 1211121130223. The reversal of 1211121130222 is 2220311211121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211121130222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211121130223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5156154 + ... + 5385922.

It is an arithmetic number, because the mean of its divisors is an integer number (58405236300).

Almost surely, 2^{1211121130222} is an apocalyptic number.

1211121130222 is a deficient number, since it is larger than the sum of its proper divisors (657846431378).

1211121130222 is a wasteful number, since it uses less digits than its factorization.

1211121130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230380.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1211121130222 its reverse (2220311211121), we get a palindrome (3431432341343).

The spelling of 1211121130222 in words is "one trillion, two hundred eleven billion, one hundred twenty-one million, one hundred thirty thousand, two hundred twenty-two".