10011200020221 has 4 divisors (see below), whose sum is σ = 13348266693632. Its totient is φ = 6674133346812.

The previous prime is 10011200020193. The next prime is 10011200020249. The reversal of 10011200020221 is 12202000211001.

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 an interprime number because it is at equal distance from previous prime (10011200020193) and next prime (10011200020249).

It is not a de Polignac number, because 10011200020221 - 2²⁶ = 10011132911357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011200020197 and 10011200020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011200020321) 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, 1668533336701 + ... + 1668533336706.

It is an arithmetic number, because the mean of its divisors is an integer number (3337066673408).

Almost surely, 2^{10011200020221} is an apocalyptic number.

It is an amenable number.

10011200020221 is a deficient number, since it is larger than the sum of its proper divisors (3337066673411).

10011200020221 is an equidigital number, since it uses as much as digits as its factorization.

10011200020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337066673410.

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

Adding to 10011200020221 its reverse (12202000211001), we get a palindrome (22213200231222).

The spelling of 10011200020221 in words is "ten trillion, eleven billion, two hundred million, twenty thousand, two hundred twenty-one".