1213311011122 has 16 divisors (see below), whose sum is σ = 2079976485312. Its totient is φ = 519986745360.

The previous prime is 1213311011117. The next prime is 1213311011177. The reversal of 1213311011122 is 2211101133121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213311011122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869372 + ... + 3264952.

It is an arithmetic number, because the mean of its divisors is an integer number (129998530332).

Almost surely, 2^{1213311011122} is an apocalyptic number.

1213311011122 is a deficient number, since it is larger than the sum of its proper divisors (866665474190).

1213311011122 is a wasteful number, since it uses less digits than its factorization.

1213311011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614673.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1213311011122 its reverse (2211101133121), we get a palindrome (3424412144243).

The spelling of 1213311011122 in words is "one trillion, two hundred thirteen billion, three hundred eleven million, eleven thousand, one hundred twenty-two".