1131003221122 has 4 divisors (see below), whose sum is σ = 1696504831686. Its totient is φ = 565501610560.

The previous prime is 1131003221083. The next prime is 1131003221123. The reversal of 1131003221122 is 2211223001311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1051709729841 + 79293491281 = 1025529^2 + 281591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1131003221122.

It is not an unprimeable number, because it can be changed into a prime (1131003221123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282750805279 + ... + 282750805282.

Almost surely, 2^{1131003221122} is an apocalyptic number.

1131003221122 is a deficient number, since it is larger than the sum of its proper divisors (565501610564).

1131003221122 is an equidigital number, since it uses as much as digits as its factorization.

1131003221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565501610563.

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

Adding to 1131003221122 its reverse (2211223001311), we get a palindrome (3342226222433).

The spelling of 1131003221122 in words is "one trillion, one hundred thirty-one billion, three million, two hundred twenty-one thousand, one hundred twenty-two".