1131023021122 has 8 divisors (see below), whose sum is σ = 1724346573372. Its totient is φ = 556240830000.

The previous prime is 1131023021111. The next prime is 1131023021123. The reversal of 1131023021122 is 2211203201311.

It can be written as a sum of positive squares in 2 ways, for example, as 997819190281 + 133203830841 = 998909^2 + 364971^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1131023021122.

It is not an unprimeable number, because it can be changed into a prime (1131023021123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635340129 + ... + 4635340372.

Almost surely, 2^{1131023021122} is an apocalyptic number.

1131023021122 is a deficient number, since it is larger than the sum of its proper divisors (593323552250).

1131023021122 is an equidigital number, since it uses as much as digits as its factorization.

1131023021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270680564.

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

Adding to 1131023021122 its reverse (2211203201311), we get a palindrome (3342226222433).

The spelling of 1131023021122 in words is "one trillion, one hundred thirty-one billion, twenty-three million, twenty-one thousand, one hundred twenty-two".