110201012121221 has 8 divisors (see below), whose sum is σ = 125944102038144. Its totient is φ = 94457944250640.

The previous prime is 110201012121217. The next prime is 110201012121251. The reversal of 110201012121221 is 122121210102011.

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 110201012121221 - 2² = 110201012121217 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 110201012121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201012121251) 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, 7133951 + ... + 16471043.

It is an arithmetic number, because the mean of its divisors is an integer number (15743012754768).

Almost surely, 2^{110201012121221} is an apocalyptic number.

It is an amenable number.

110201012121221 is a deficient number, since it is larger than the sum of its proper divisors (15743089916923).

110201012121221 is an equidigital number, since it uses as much as digits as its factorization.

110201012121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023171.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110201012121221 its reverse (122121210102011), we get a palindrome (232322222223232).

The spelling of 110201012121221 in words is "one hundred ten trillion, two hundred one billion, twelve million, one hundred twenty-one thousand, two hundred twenty-one".