10221000212111 has 16 divisors (see below), whose sum is σ = 11024018828928. Its totient is φ = 9420388723200.

The previous prime is 10221000212069. The next prime is 10221000212119. The reversal of 10221000212111 is 11121200012201.

It is not a de Polignac number, because 10221000212111 - 2¹⁰ = 10221000211087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221000212119) 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 15 ways as a sum of consecutive naturals, for example, 27730871 + ... + 28097031.

It is an arithmetic number, because the mean of its divisors is an integer number (689001176808).

Almost surely, 2^{10221000212111} is an apocalyptic number.

10221000212111 is a deficient number, since it is larger than the sum of its proper divisors (803018616817).

10221000212111 is a wasteful number, since it uses less digits than its factorization.

10221000212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369442.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221000212111 its reverse (11121200012201), we get a palindrome (21342200224312).

The spelling of 10221000212111 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve thousand, one hundred eleven".