10221211101011 has 4 divisors (see below), whose sum is σ = 10322411211024. Its totient is φ = 10120010991000.

The previous prime is 10221211100993. The next prime is 10221211101041. The reversal of 10221211101011 is 11010111212201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221211101011 - 2²² = 10221206906707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221211101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50600054855 + ... + 50600055056.

It is an arithmetic number, because the mean of its divisors is an integer number (2580602802756).

Almost surely, 2^{10221211101011} is an apocalyptic number.

10221211101011 is a deficient number, since it is larger than the sum of its proper divisors (101200110013).

10221211101011 is a wasteful number, since it uses less digits than its factorization.

10221211101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101200110012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10221211101011 its reverse (11010111212201), we get a palindrome (21231322313212).

The spelling of 10221211101011 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred one thousand, eleven".