722201222101 has 2 divisors, whose sum is σ = 722201222102. Its totient is φ = 722201222100.

The previous prime is 722201222081. The next prime is 722201222107. The reversal of 722201222101 is 101222102227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619416220900 + 102785001201 = 787030^2 + 320601^2 .

It is an emirp because it is prime and its reverse (101222102227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722201222101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722201222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361100611050 + 361100611051.

It is an arithmetic number, because the mean of its divisors is an integer number (361100611051).

Almost surely, 2^722201222101 is an apocalyptic number.

It is an amenable number.

722201222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

722201222101 is an equidigital number, since it uses as much as digits as its factorization.

722201222101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 722201222101 its reverse (101222102227), we get a palindrome (823423324328).

The spelling of 722201222101 in words is "seven hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, one hundred one".