1211211131122 has 8 divisors (see below), whose sum is σ = 1819573628400. Its totient is φ = 604686588324.

The previous prime is 1211211130963. The next prime is 1211211131191. The reversal of 1211211131122 is 2211311121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1211211131122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459486972 + ... + 459489607.

It is an arithmetic number, because the mean of its divisors is an integer number (227446703550).

Almost surely, 2^{1211211131122} is an apocalyptic number.

1211211131122 is a deficient number, since it is larger than the sum of its proper divisors (608362497278).

1211211131122 is an equidigital number, since it uses as much as digits as its factorization.

1211211131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918977240.

The product of its digits is 48, while the sum is 19.

Adding to 1211211131122 its reverse (2211311121121), we get a palindrome (3422522252243).

The spelling of 1211211131122 in words is "one trillion, two hundred eleven billion, two hundred eleven million, one hundred thirty-one thousand, one hundred twenty-two".