111722107061 has 2 divisors, whose sum is σ = 111722107062. Its totient is φ = 111722107060.

The previous prime is 111722107037. The next prime is 111722107099. The reversal of 111722107061 is 160701227111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111095556100 + 626550961 = 333310^2 + 25031^2 .

It is a cyclic number.

It is not a de Polignac number, because 111722107061 - 2¹⁰ = 111722106037 is a prime.

It is a super-2 number, since 2×111722107061² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111722107001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55861053530 + 55861053531.

It is an arithmetic number, because the mean of its divisors is an integer number (55861053531).

Almost surely, 2^111722107061 is an apocalyptic number.

It is an amenable number.

111722107061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111722107061 is an equidigital number, since it uses as much as digits as its factorization.

111722107061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 29.

The spelling of 111722107061 in words is "one hundred eleven billion, seven hundred twenty-two million, one hundred seven thousand, sixty-one".