10221211101211 has 8 divisors (see below), whose sum is σ = 11150744894784. Its totient is φ = 9291732771720.

The previous prime is 10221211101181. The next prime is 10221211101221. The reversal of 10221211101211 is 11210111212201.

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 10221211101211 - 2⁹ = 10221211100699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221211101221) 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, 13480225 + ... + 14218258.

It is an arithmetic number, because the mean of its divisors is an integer number (1393843111848).

Almost surely, 2^{10221211101211} is an apocalyptic number.

10221211101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221211101211 is a deficient number, since it is larger than the sum of its proper divisors (929533793573).

10221211101211 is a wasteful number, since it uses less digits than its factorization.

10221211101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27732041.

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

Adding to 10221211101211 its reverse (11210111212201), we get a palindrome (21431322313412).

The spelling of 10221211101211 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred one thousand, two hundred eleven".