10201019 has 4 divisors (see below), whose sum is σ = 10438296. Its totient is φ = 9963744.

The previous prime is 10201013. The next prime is 10201049. The reversal of 10201019 is 91010201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201019 - 2⁸ = 10200763 is a prime.

It is a super-2 number, since 2×10201019² = 208121577276722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200994 and 10201012.

It is not an unprimeable number, because it can be changed into a prime (10201013) 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, 118574 + ... + 118659.

It is an arithmetic number, because the mean of its divisors is an integer number (2609574).

Almost surely, 2^10201019 is an apocalyptic number.

10201019 is a deficient number, since it is larger than the sum of its proper divisors (237277).

10201019 is an equidigital number, since it uses as much as digits as its factorization.

10201019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237276.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 10201019 is about 3193.9034111883. The cubic root of 10201019 is about 216.8775102069.

The spelling of 10201019 in words is "ten million, two hundred one thousand, nineteen".