11021202239 has 2 divisors, whose sum is σ = 11021202240. Its totient is φ = 11021202238.

The previous prime is 11021202209. The next prime is 11021202287. The reversal of 11021202239 is 93220212011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021202239 - 2²⁰ = 11020153663 is a prime.

It is a super-2 number, since 2×11021202239² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021202209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510601119 + 5510601120.

It is an arithmetic number, because the mean of its divisors is an integer number (5510601120).

Almost surely, 2^11021202239 is an apocalyptic number.

11021202239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021202239 is an equidigital number, since it uses as much as digits as its factorization.

11021202239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11021202239 in words is "eleven billion, twenty-one million, two hundred two thousand, two hundred thirty-nine".