221102122102111 has 8 divisors (see below), whose sum is σ = 221632313729904. Its totient is φ = 220571954211840.

The previous prime is 221102122102031. The next prime is 221102122102139. The reversal of 221102122102111 is 111201221201122.

It is a happy number.

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 221102122102111 - 2²⁹ = 221101585231199 is a prime.

It is a super-2 number, since 2×221102122102111² (a number of 29 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 (221102122109111) 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, 12787596 + ... + 24611518.

It is an arithmetic number, because the mean of its divisors is an integer number (27704039216238).

Almost surely, 2^{221102122102111} is an apocalyptic number.

221102122102111 is a deficient number, since it is larger than the sum of its proper divisors (530191627793).

221102122102111 is a wasteful number, since it uses less digits than its factorization.

221102122102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11868761.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 221102122102111 its reverse (111201221201122), we get a palindrome (332303343303233).

The spelling of 221102122102111 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".