1131231012202 has 8 divisors (see below), whose sum is σ = 1755358467300. Its totient is φ = 546111523104.

The previous prime is 1131231012199. The next prime is 1131231012209. The reversal of 1131231012202 is 2022101321311.

It can be written as a sum of positive squares in 2 ways, for example, as 1088827553961 + 42403458241 = 1043469^2 + 205921^2 .

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

It is a super-3 number, since 3×1131231012202³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1131231012202.

It is not an unprimeable number, because it can be changed into a prime (1131231012209) 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, 9751991427 + ... + 9751991542.

Almost surely, 2^{1131231012202} is an apocalyptic number.

1131231012202 is a deficient number, since it is larger than the sum of its proper divisors (624127455098).

1131231012202 is a wasteful number, since it uses less digits than its factorization.

1131231012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19503983000.

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

Adding to 1131231012202 its reverse (2022101321311), we get a palindrome (3153332333513).

The spelling of 1131231012202 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, twelve thousand, two hundred two".