10121202239 has 2 divisors, whose sum is σ = 10121202240. Its totient is φ = 10121202238.

The previous prime is 10121202209. The next prime is 10121202241. The reversal of 10121202239 is 93220212101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121202239 is a prime.

It is a super-2 number, since 2×10121202239² (a number of 21 digits) contains 22 as substring.

Together with 10121202241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121202209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060601119 + 5060601120.

It is an arithmetic number, because the mean of its divisors is an integer number (5060601120).

Almost surely, 2^10121202239 is an apocalyptic number.

10121202239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121202239 is an equidigital number, since it uses as much as digits as its factorization.

10121202239 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 10121202239 in words is "ten billion, one hundred twenty-one million, two hundred two thousand, two hundred thirty-nine".