221112221111101 has 8 divisors (see below), whose sum is σ = 221126171742720. Its totient is φ = 221098270914288.

The previous prime is 221112221111029. The next prime is 221112221111147. The reversal of 221112221111101 is 101111122211122.

221112221111101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221112221111101 - 2¹³ = 221112221102909 is a prime.

It is a super-2 number, since 2×221112221111101² (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 (221112221121101) 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, 2206504540 + ... + 2206604746.

It is an arithmetic number, because the mean of its divisors is an integer number (27640771467840).

Almost surely, 2^{221112221111101} is an apocalyptic number.

It is an amenable number.

221112221111101 is a deficient number, since it is larger than the sum of its proper divisors (13950631619).

221112221111101 is a wasteful number, since it uses less digits than its factorization.

221112221111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217403.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 221112221111101 its reverse (101111122211122), we get a palindrome (322223343322223).

The spelling of 221112221111101 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred one".