722100112111201 has 4 divisors (see below), whose sum is σ = 722113597012500. Its totient is φ = 722086627209904.

The previous prime is 722100112111141. The next prime is 722100112111223. The reversal of 722100112111201 is 102111211001227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232530323613025 + 489569788498176 = 15248945^2 + 22126224^2 .

It is a cyclic number.

It is not a de Polignac number, because 722100112111201 - 2¹⁹ = 722100111586913 is a prime.

It is a super-2 number, since 2×722100112111201² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722100112111601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6742370326 + ... + 6742477423.

It is an arithmetic number, because the mean of its divisors is an integer number (180528399253125).

Almost surely, 2^{722100112111201} is an apocalyptic number.

It is an amenable number.

722100112111201 is a deficient number, since it is larger than the sum of its proper divisors (13484901299).

722100112111201 is a wasteful number, since it uses less digits than its factorization.

722100112111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13484901298.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 722100112111201 its reverse (102111211001227), we get a palindrome (824211323112428).

The spelling of 722100112111201 in words is "seven hundred twenty-two trillion, one hundred billion, one hundred twelve million, one hundred eleven thousand, two hundred one".