10001220210201 has 64 divisors (see below), whose sum is σ = 14948965933056. Its totient is φ = 5945083784640.

The previous prime is 10001220210193. The next prime is 10001220210253. The reversal of 10001220210201 is 10201202210001.

It is not a de Polignac number, because 10001220210201 - 2³ = 10001220210193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10001220210001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 941108850 + ... + 941119476.

It is an arithmetic number, because the mean of its divisors is an integer number (233577592704).

Almost surely, 2^{10001220210201} is an apocalyptic number.

10001220210201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001220210201 is a deficient number, since it is larger than the sum of its proper divisors (4947745722855).

10001220210201 is a wasteful number, since it uses less digits than its factorization.

10001220210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163 (or 15141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10001220210201 its reverse (10201202210001), we get a palindrome (20202422420202).

The spelling of 10001220210201 in words is "ten trillion, one billion, two hundred twenty million, two hundred ten thousand, two hundred one".