10201210010221 has 4 divisors (see below), whose sum is σ = 10228126132000. Its totient is φ = 10174293888444.

The previous prime is 10201210010137. The next prime is 10201210010239. The reversal of 10201210010221 is 12201001210201.

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 10201210010221 - 2²⁷ = 10201075792493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201210010281) 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, 13458060321 + ... + 13458061078.

It is an arithmetic number, because the mean of its divisors is an integer number (2557031533000).

Almost surely, 2^{10201210010221} is an apocalyptic number.

It is an amenable number.

10201210010221 is a deficient number, since it is larger than the sum of its proper divisors (26916121779).

10201210010221 is an equidigital number, since it uses as much as digits as its factorization.

10201210010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26916121778.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201210010221 its reverse (12201001210201), we get a palindrome (22402211220422).

The spelling of 10201210010221 in words is "ten trillion, two hundred one billion, two hundred ten million, ten thousand, two hundred twenty-one".