1131202022 has 4 divisors (see below), whose sum is σ = 1696803036. Its totient is φ = 565601010.

The previous prime is 1131202003. The next prime is 1131202129. The reversal of 1131202022 is 2202021311.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1131201988 and 1131202006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282800504 + ... + 282800507.

It is an arithmetic number, because the mean of its divisors is an integer number (424200759).

Almost surely, 2^1131202022 is an apocalyptic number.

1131202022 is a deficient number, since it is larger than the sum of its proper divisors (565601014).

1131202022 is an equidigital number, since it uses as much as digits as its factorization.

1131202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565601013.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1131202022 is about 33633.3468747908. The cubic root of 1131202022 is about 1041.9496287311.

Adding to 1131202022 its reverse (2202021311), we get a palindrome (3333223333).

The spelling of 1131202022 in words is "one billion, one hundred thirty-one million, two hundred two thousand, twenty-two".