221060769247 has 2 divisors, whose sum is σ = 221060769248. Its totient is φ = 221060769246.

The previous prime is 221060769211. The next prime is 221060769253. The reversal of 221060769247 is 742967060122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221060769247 - 2⁷ = 221060769119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221060769197 and 221060769206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221060769287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110530384623 + 110530384624.

It is an arithmetic number, because the mean of its divisors is an integer number (110530384624).

Almost surely, 2^221060769247 is an apocalyptic number.

221060769247 is a deficient number, since it is larger than the sum of its proper divisors (1).

221060769247 is an equidigital number, since it uses as much as digits as its factorization.

221060769247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 221060769247 in words is "two hundred twenty-one billion, sixty million, seven hundred sixty-nine thousand, two hundred forty-seven".