101681011 has 2 divisors, whose sum is σ = 101681012. Its totient is φ = 101681010.

The previous prime is 101681003. The next prime is 101681057. The reversal of 101681011 is 110186101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101681011 - 2³ = 101681003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101681011.

It is not a weakly prime, because it can be changed into another prime (101681071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50840505 + 50840506.

It is an arithmetic number, because the mean of its divisors is an integer number (50840506).

Almost surely, 2^101681011 is an apocalyptic number.

101681011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101681011 is an equidigital number, since it uses as much as digits as its factorization.

101681011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 101681011 is about 10083.7002632962. The cubic root of 101681011 is about 466.7452983714.

The spelling of 101681011 in words is "one hundred one million, six hundred eighty-one thousand, eleven".