101420201 has 4 divisors (see below), whose sum is σ = 101447172. Its totient is φ = 101393232.

The previous prime is 101420191. The next prime is 101420239. The reversal of 101420201 is 102024101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102024101 = 751 ⋅135851.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 97515625 = 1976^2 + 9875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101420201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101420281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6710 + ... + 15743.

It is an arithmetic number, because the mean of its divisors is an integer number (25361793).

Almost surely, 2^101420201 is an apocalyptic number.

It is an amenable number.

101420201 is a deficient number, since it is larger than the sum of its proper divisors (26971).

101420201 is an equidigital number, since it uses as much as digits as its factorization.

101420201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26970.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101420201 is about 10070.7597032200. The cubic root of 101420201 is about 466.3458922003.

Adding to 101420201 its reverse (102024101), we get a palindrome (203444302).

The spelling of 101420201 in words is "one hundred one million, four hundred twenty thousand, two hundred one".