10120221479 has 2 divisors, whose sum is σ = 10120221480. Its totient is φ = 10120221478.

The previous prime is 10120221383. The next prime is 10120221481. The reversal of 10120221479 is 97412202101.

It is a strong prime.

It is an emirp because it is prime and its reverse (97412202101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120221479 is a prime.

Together with 10120221481, 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 (10120221779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060110739 + 5060110740.

It is an arithmetic number, because the mean of its divisors is an integer number (5060110740).

Almost surely, 2^10120221479 is an apocalyptic number.

10120221479 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120221479 is an equidigital number, since it uses as much as digits as its factorization.

10120221479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 10120221479 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, four hundred seventy-nine".