11233021147 has 2 divisors, whose sum is σ = 11233021148. Its totient is φ = 11233021146.

The previous prime is 11233021127. The next prime is 11233021157. The reversal of 11233021147 is 74112033211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11233021147 is a prime.

It is not a weakly prime, because it can be changed into another prime (11233021117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616510573 + 5616510574.

It is an arithmetic number, because the mean of its divisors is an integer number (5616510574).

Almost surely, 2^11233021147 is an apocalyptic number.

11233021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233021147 is an equidigital number, since it uses as much as digits as its factorization.

11233021147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 11233021147 its reverse (74112033211), we get a palindrome (85345054358).

The spelling of 11233021147 in words is "eleven billion, two hundred thirty-three million, twenty-one thousand, one hundred forty-seven".