110011112211221 has 8 divisors (see below), whose sum is σ = 118474641734400. Its totient is φ = 101547745013232.

The previous prime is 110011112211197. The next prime is 110011112211239. The reversal of 110011112211221 is 122112211110011.

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 110011112211221 - 2²² = 110011108016917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110011112211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011112217221) 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, 39171905 + ... + 41886278.

It is an arithmetic number, because the mean of its divisors is an integer number (14809330216800).

Almost surely, 2^{110011112211221} is an apocalyptic number.

It is an amenable number.

110011112211221 is a deficient number, since it is larger than the sum of its proper divisors (8463529523179).

110011112211221 is a wasteful number, since it uses less digits than its factorization.

110011112211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81162595.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110011112211221 its reverse (122112211110011), we get a palindrome (232123323321232).

The spelling of 110011112211221 in words is "one hundred ten trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-one".