1131211223422 has 64 divisors (see below), whose sum is σ = 1989758453760. Its totient is φ = 472233906144.

The previous prime is 1131211223381. The next prime is 1131211223491. The reversal of 1131211223422 is 2243221121311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564757473 + ... + 564759475.

It is an arithmetic number, because the mean of its divisors is an integer number (31089975840).

Almost surely, 2^{1131211223422} is an apocalyptic number.

1131211223422 is a deficient number, since it is larger than the sum of its proper divisors (858547230338).

1131211223422 is a wasteful number, since it uses less digits than its factorization.

1131211223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157.

The product of its digits is 1152, while the sum is 25.

Adding to 1131211223422 its reverse (2243221121311), we get a palindrome (3374432344733).

The spelling of 1131211223422 in words is "one trillion, one hundred thirty-one billion, two hundred eleven million, two hundred twenty-three thousand, four hundred twenty-two".