10111432321 has 2 divisors, whose sum is σ = 10111432322. Its totient is φ = 10111432320.

The previous prime is 10111432277. The next prime is 10111432337. The reversal of 10111432321 is 12323411101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8078414400 + 2033017921 = 89880^2 + 45089^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111432321 - 2²⁵ = 10077877889 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111432381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055716160 + 5055716161.

It is an arithmetic number, because the mean of its divisors is an integer number (5055716161).

Almost surely, 2^10111432321 is an apocalyptic number.

It is an amenable number.

10111432321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111432321 is an equidigital number, since it uses as much as digits as its factorization.

10111432321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10111432321 its reverse (12323411101), we get a palindrome (22434843422).

The spelling of 10111432321 in words is "ten billion, one hundred eleven million, four hundred thirty-two thousand, three hundred twenty-one".