1131021322202 has 4 divisors (see below), whose sum is σ = 1696531983306. Its totient is φ = 565510661100.

The previous prime is 1131021322199. The next prime is 1131021322243. The reversal of 1131021322202 is 2022231201311.

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., 1129652248201 + 1369074001 = 1062851^2 + 37001^2 .

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 as a sum of consecutive naturals, namely, 282755330549 + ... + 282755330552.

Almost surely, 2^{1131021322202} is an apocalyptic number.

1131021322202 is a deficient number, since it is larger than the sum of its proper divisors (565510661104).

1131021322202 is an equidigital number, since it uses as much as digits as its factorization.

1131021322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565510661103.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1131021322202 its reverse (2022231201311), we get a palindrome (3153252523513).

The spelling of 1131021322202 in words is "one trillion, one hundred thirty-one billion, twenty-one million, three hundred twenty-two thousand, two hundred two".