106422116981 has 2 divisors, whose sum is σ = 106422116982. Its totient is φ = 106422116980.

The previous prime is 106422116971. The next prime is 106422117001. The reversal of 106422116981 is 189611224601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67829514481 + 38592602500 = 260441^2 + 196450^2 .

It is a cyclic number.

It is not a de Polignac number, because 106422116981 - 2¹⁰ = 106422115957 is a prime.

It is a super-2 number, since 2×106422116981² (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 (106422116951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53211058490 + 53211058491.

It is an arithmetic number, because the mean of its divisors is an integer number (53211058491).

Almost surely, 2^106422116981 is an apocalyptic number.

It is an amenable number.

106422116981 is a deficient number, since it is larger than the sum of its proper divisors (1).

106422116981 is an equidigital number, since it uses as much as digits as its factorization.

106422116981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 106422116981 in words is "one hundred six billion, four hundred twenty-two million, one hundred sixteen thousand, nine hundred eighty-one".