10221011212211 has 4 divisors (see below), whose sum is σ = 10316534681592. Its totient is φ = 10125487742832.

The previous prime is 10221011212199. The next prime is 10221011212213. The reversal of 10221011212211 is 11221211012201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221011212211 is a prime.

It is a super-3 number, since 3×10221011212211³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221011212211.

It is not an unprimeable number, because it can be changed into a prime (10221011212213) 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, 47761734530 + ... + 47761734743.

It is an arithmetic number, because the mean of its divisors is an integer number (2579133670398).

Almost surely, 2^{10221011212211} is an apocalyptic number.

10221011212211 is a deficient number, since it is larger than the sum of its proper divisors (95523469381).

10221011212211 is an equidigital number, since it uses as much as digits as its factorization.

10221011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95523469380.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221011212211 its reverse (11221211012201), we get a palindrome (21442222224412).

The spelling of 10221011212211 in words is "ten trillion, two hundred twenty-one billion, eleven million, two hundred twelve thousand, two hundred eleven".