101440201 has 2 divisors, whose sum is σ = 101440202. Its totient is φ = 101440200.

The previous prime is 101440181. The next prime is 101440253. The reversal of 101440201 is 102044101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77440000 + 24000201 = 8800^2 + 4899^2 .

It is a cyclic number.

It is not a de Polignac number, because 101440201 - 2¹⁵ = 101407433 is a prime.

It is a super-2 number, since 2×101440201² = 20580228757840802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101440301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50720100 + 50720101.

It is an arithmetic number, because the mean of its divisors is an integer number (50720101).

Almost surely, 2^101440201 is an apocalyptic number.

It is an amenable number.

101440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101440201 is an equidigital number, since it uses as much as digits as its factorization.

101440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101440201 is about 10071.7526280186. The cubic root of 101440201 is about 466.3765445579.

Adding to 101440201 its reverse (102044101), we get a palindrome (203484302).

The spelling of 101440201 in words is "one hundred one million, four hundred forty thousand, two hundred one".