701164226221 has 2 divisors, whose sum is σ = 701164226222. Its totient is φ = 701164226220.

The previous prime is 701164226219. The next prime is 701164226233. The reversal of 701164226221 is 122622461107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507463893225 + 193700332996 = 712365^2 + 440114^2 .

It is a cyclic number.

It is not a de Polignac number, because 701164226221 - 2¹ = 701164226219 is a prime.

It is a super-3 number, since 3×701164226221³ (a number of 37 digits) contains 333 as substring.

Together with 701164226219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (701164226201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350582113110 + 350582113111.

It is an arithmetic number, because the mean of its divisors is an integer number (350582113111).

Almost surely, 2^701164226221 is an apocalyptic number.

It is an amenable number.

701164226221 is a deficient number, since it is larger than the sum of its proper divisors (1).

701164226221 is an equidigital number, since it uses as much as digits as its factorization.

701164226221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 701164226221 its reverse (122622461107), we get a palindrome (823786687328).

The spelling of 701164226221 in words is "seven hundred one billion, one hundred sixty-four million, two hundred twenty-six thousand, two hundred twenty-one".