10202021201 has 4 divisors (see below), whose sum is σ = 10439277552. Its totient is φ = 9964764852.

The previous prime is 10202021119. The next prime is 10202021213. The reversal of 10202021201 is 10212020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202021201 - 2²² = 10197826897 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 (10202021701) 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, 118628111 + ... + 118628196.

It is an arithmetic number, because the mean of its divisors is an integer number (2609819388).

Almost surely, 2^10202021201 is an apocalyptic number.

It is an amenable number.

10202021201 is a deficient number, since it is larger than the sum of its proper divisors (237256351).

10202021201 is an equidigital number, since it uses as much as digits as its factorization.

10202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237256350.

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

Adding to 10202021201 its reverse (10212020201), we get a palindrome (20414041402).

The spelling of 10202021201 in words is "ten billion, two hundred two million, twenty-one thousand, two hundred one".