110201111101221 has 16 divisors (see below), whose sum is σ = 167925913419264. Its totient is φ = 62971909440624.

The previous prime is 110201111101219. The next prime is 110201111101259. The reversal of 110201111101221 is 122101111102011.

It is not a de Polignac number, because 110201111101221 - 2¹ = 110201111101219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110201111101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201112101221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669626 + ... + 15084068.

It is an arithmetic number, because the mean of its divisors is an integer number (10495369588704).

Almost surely, 2^{110201111101221} is an apocalyptic number.

It is an amenable number.

110201111101221 is a deficient number, since it is larger than the sum of its proper divisors (57724802318043).

110201111101221 is a wasteful number, since it uses less digits than its factorization.

110201111101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837160.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 110201111101221 its reverse (122101111102011), we get a palindrome (232302222203232).

The spelling of 110201111101221 in words is "one hundred ten trillion, two hundred one billion, one hundred eleven million, one hundred one thousand, two hundred twenty-one".