10021221412211 has 16 divisors (see below), whose sum is σ = 10817755221600. Its totient is φ = 9247918637568.

The previous prime is 10021221412199. The next prime is 10021221412219. The reversal of 10021221412211 is 11221412212001.

It is a cyclic number.

It is not a de Polignac number, because 10021221412211 - 2¹⁸ = 10021221150067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021221412219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099276 + ... + 4944633.

It is an arithmetic number, because the mean of its divisors is an integer number (676109701350).

Almost surely, 2^{10021221412211} is an apocalyptic number.

10021221412211 is a deficient number, since it is larger than the sum of its proper divisors (796533809389).

10021221412211 is a wasteful number, since it uses less digits than its factorization.

10021221412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045558.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10021221412211 its reverse (11221412212001), we get a palindrome (21242633624212).

The spelling of 10021221412211 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, four hundred twelve thousand, two hundred eleven".