10211333102221 has 8 divisors (see below), whose sum is σ = 10228497420600. Its totient is φ = 10194170773248.

The previous prime is 10211333102209. The next prime is 10211333102227. The reversal of 10211333102221 is 12220133311201.

It can be written as a sum of positive squares in 4 ways, for example, as 386330618025 + 9825002484196 = 621555^2 + 3134486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10211333102221 - 2²⁵ = 10211299547789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211333102192 and 10211333102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211333102227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9961555 + ... + 10938703.

It is an arithmetic number, because the mean of its divisors is an integer number (1278562177575).

Almost surely, 2^{10211333102221} is an apocalyptic number.

It is an amenable number.

10211333102221 is a deficient number, since it is larger than the sum of its proper divisors (17164318379).

10211333102221 is an equidigital number, since it uses as much as digits as its factorization.

10211333102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994703.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10211333102221 its reverse (12220133311201), we get a palindrome (22431466413422).

The spelling of 10211333102221 in words is "ten trillion, two hundred eleven billion, three hundred thirty-three million, one hundred two thousand, two hundred twenty-one".