10021211333221 has 8 divisors (see below), whose sum is σ = 10933445210688. Its totient is φ = 9109179900000.

The previous prime is 10021211333207. The next prime is 10021211333299. The reversal of 10021211333221 is 12233311212001.

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 10021211333221 - 2⁹ = 10021211332709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021211333192 and 10021211333201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211333521) 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, 50507545 + ... + 50705566.

It is an arithmetic number, because the mean of its divisors is an integer number (1366680651336).

Almost surely, 2^{10021211333221} is an apocalyptic number.

10021211333221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021211333221 is a deficient number, since it is larger than the sum of its proper divisors (912233877467).

10021211333221 is a wasteful number, since it uses less digits than its factorization.

10021211333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101222123.

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

Adding to 10021211333221 its reverse (12233311212001), we get a palindrome (22254522545222).

The spelling of 10021211333221 in words is "ten trillion, twenty-one billion, two hundred eleven million, three hundred thirty-three thousand, two hundred twenty-one".