1111023002242 has 4 divisors (see below), whose sum is σ = 1666534503366. Its totient is φ = 555511501120.

The previous prime is 1111023002209. The next prime is 1111023002303. The reversal of 1111023002242 is 2422003201111.

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., 1006468426441 + 104554575801 = 1003229^2 + 323349^2 .

It is a super-2 number, since 2×1111023002242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277755750559 + ... + 277755750562.

Almost surely, 2^{1111023002242} is an apocalyptic number.

1111023002242 is a deficient number, since it is larger than the sum of its proper divisors (555511501124).

1111023002242 is an equidigital number, since it uses as much as digits as its factorization.

1111023002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555511501123.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1111023002242 its reverse (2422003201111), we get a palindrome (3533026203353).

The spelling of 1111023002242 in words is "one trillion, one hundred eleven billion, twenty-three million, two thousand, two hundred forty-two".