667010101 has 2 divisors, whose sum is σ = 667010102. Its totient is φ = 667010100.

The previous prime is 667010093. The next prime is 667010107. The reversal of 667010101 is 101010766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405055876 + 261954225 = 20126^2 + 16185^2 .

It is a cyclic number.

It is not a de Polignac number, because 667010101 - 2³ = 667010093 is a prime.

It is a super-3 number, since 3×667010101³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

667010101 is a modest number, since divided by 10101 gives 667 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667010107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333505050 + 333505051.

It is an arithmetic number, because the mean of its divisors is an integer number (333505051).

Almost surely, 2^667010101 is an apocalyptic number.

It is an amenable number.

667010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

667010101 is an equidigital number, since it uses as much as digits as its factorization.

667010101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 667010101 is about 25826.5386956905. The cubic root of 667010101 is about 873.7304477468.

Adding to 667010101 its reverse (101010766), we get a palindrome (768020867).

The spelling of 667010101 in words is "six hundred sixty-seven million, ten thousand, one hundred one".