1131022201312 has 24 divisors (see below), whose sum is σ = 2227219394400. Its totient is φ = 565379180544.

The previous prime is 1131022201303. The next prime is 1131022201333. The reversal of 1131022201312 is 2131022201311.

It is a super-2 number, since 2×1131022201312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131022201312.

It is a congruent number.

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, 3983112 + ... + 4257607.

It is an arithmetic number, because the mean of its divisors is an integer number (92800808100).

Almost surely, 2^{1131022201312} is an apocalyptic number.

It is an amenable number.

1131022201312 is a deficient number, since it is larger than the sum of its proper divisors (1096197193088).

1131022201312 is an equidigital number, since it uses as much as digits as its factorization.

1131022201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245018 (or 8245010 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1131022201312 its reverse (2131022201311), we get a palindrome (3262044402623).

Subtracting 1131022201312 from its reverse (2131022201311), we obtain a palindrome (999999999999).

The spelling of 1131022201312 in words is "one trillion, one hundred thirty-one billion, twenty-two million, two hundred one thousand, three hundred twelve".