221301034769 has 2 divisors, whose sum is σ = 221301034770. Its totient is φ = 221301034768.

The previous prime is 221301034763. The next prime is 221301034811. The reversal of 221301034769 is 967430103122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113375644369 + 107925390400 = 336713^2 + 328520^2 .

It is a cyclic number.

It is not a de Polignac number, because 221301034769 - 2⁴ = 221301034753 is a prime.

It is a super-2 number, since 2×221301034769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221301034763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650517384 + 110650517385.

It is an arithmetic number, because the mean of its divisors is an integer number (110650517385).

Almost surely, 2^221301034769 is an apocalyptic number.

It is an amenable number.

221301034769 is a deficient number, since it is larger than the sum of its proper divisors (1).

221301034769 is an equidigital number, since it uses as much as digits as its factorization.

221301034769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 221301034769 in words is "two hundred twenty-one billion, three hundred one million, thirty-four thousand, seven hundred sixty-nine".