1131211111022 has 8 divisors (see below), whose sum is σ = 1702343757576. Its totient is φ = 563763191832.

The previous prime is 1131211111013. The next prime is 1131211111087. The reversal of 1131211111022 is 2201111121311.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921181073 + ... + 921182300.

It is an arithmetic number, because the mean of its divisors is an integer number (212792969697).

Almost surely, 2^{1131211111022} is an apocalyptic number.

1131211111022 is a deficient number, since it is larger than the sum of its proper divisors (571132646554).

1131211111022 is a wasteful number, since it uses less digits than its factorization.

1131211111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842363682.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1131211111022 its reverse (2201111121311), we get a palindrome (3332322232333).

The spelling of 1131211111022 in words is "one trillion, one hundred thirty-one billion, two hundred eleven million, one hundred eleven thousand, twenty-two".