101640211 has 8 divisors (see below), whose sum is σ = 102914240. Its totient is φ = 100372608.

The previous prime is 101640193. The next prime is 101640251. The reversal of 101640211 is 112046101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101640211 - 2⁷ = 101640083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101640251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35350 + ... + 38116.

It is an arithmetic number, because the mean of its divisors is an integer number (12864280).

Almost surely, 2^101640211 is an apocalyptic number.

101640211 is a deficient number, since it is larger than the sum of its proper divisors (1274029).

101640211 is a wasteful number, since it uses less digits than its factorization.

101640211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 101640211 is about 10081.6769934372. The cubic root of 101640211 is about 466.6828620797.

Adding to 101640211 its reverse (112046101), we get a palindrome (213686312).

The spelling of 101640211 in words is "one hundred one million, six hundred forty thousand, two hundred eleven".