221301034811 has 2 divisors, whose sum is σ = 221301034812. Its totient is φ = 221301034810.

The previous prime is 221301034769. The next prime is 221301034847. The reversal of 221301034811 is 118430103122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221301034811 - 2¹⁴ = 221301018427 is a prime.

It is not a weakly prime, because it can be changed into another prime (221301034211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650517405 + 110650517406.

It is an arithmetic number, because the mean of its divisors is an integer number (110650517406).

Almost surely, 2^221301034811 is an apocalyptic number.

221301034811 is a deficient number, since it is larger than the sum of its proper divisors (1).

221301034811 is an equidigital number, since it uses as much as digits as its factorization.

221301034811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 221301034811 its reverse (118430103122), we get a palindrome (339731137933).

The spelling of 221301034811 in words is "two hundred twenty-one billion, three hundred one million, thirty-four thousand, eight hundred eleven".