10221210112111 has 8 divisors (see below), whose sum is σ = 10665667982304. Its totient is φ = 9776757027840.

The previous prime is 10221210112081. The next prime is 10221210112177. The reversal of 10221210112111 is 11121101212201.

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 10221210112111 - 2⁵ = 10221210112079 is a prime.

It is a super-2 number, since 2×10221210112111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221210113111) 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 7 ways as a sum of consecutive naturals, for example, 3572175 + ... + 5762191.

It is an arithmetic number, because the mean of its divisors is an integer number (1333208497788).

Almost surely, 2^{10221210112111} is an apocalyptic number.

10221210112111 is a deficient number, since it is larger than the sum of its proper divisors (444457870193).

10221210112111 is a wasteful number, since it uses less digits than its factorization.

10221210112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392961.

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

Adding to 10221210112111 its reverse (11121101212201), we get a palindrome (21342311324312).

The spelling of 10221210112111 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred eleven".