10202202010001 has 4 divisors (see below), whose sum is σ = 10202209232100. Its totient is φ = 10202194787904.

The previous prime is 10202202009977. The next prime is 10202202010043. The reversal of 10202202010001 is 10001020220201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9606528313600 + 595673696401 = 3099440^2 + 771799^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202202010001 - 2²² = 10202197815697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202202040001) 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, 721196 + ... + 4574333.

It is an arithmetic number, because the mean of its divisors is an integer number (2550552308025).

Almost surely, 2^{10202202010001} is an apocalyptic number.

It is an amenable number.

10202202010001 is a deficient number, since it is larger than the sum of its proper divisors (7222099).

10202202010001 is an equidigital number, since it uses as much as digits as its factorization.

10202202010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222098.

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

Adding to 10202202010001 its reverse (10001020220201), we get a palindrome (20203222230202).

The spelling of 10202202010001 in words is "ten trillion, two hundred two billion, two hundred two million, ten thousand, one".