1131014221222 has 4 divisors (see below), whose sum is σ = 1696521331836. Its totient is φ = 565507110610.

The previous prime is 1131014221193. The next prime is 1131014221229. The reversal of 1131014221222 is 2221224101311.

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 = 1131014221193 and 1131014221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131014221229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282753555304 + ... + 282753555307.

It is an arithmetic number, because the mean of its divisors is an integer number (424130332959).

Almost surely, 2^{1131014221222} is an apocalyptic number.

1131014221222 is a deficient number, since it is larger than the sum of its proper divisors (565507110614).

1131014221222 is an equidigital number, since it uses as much as digits as its factorization.

1131014221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565507110613.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1131014221222 its reverse (2221224101311), we get a palindrome (3352238322533).

The spelling of 1131014221222 in words is "one trillion, one hundred thirty-one billion, fourteen million, two hundred twenty-one thousand, two hundred twenty-two".