110201210001221 has 8 divisors (see below), whose sum is σ = 111487218873888. Its totient is φ = 108919022850000.

The previous prime is 110201210001199. The next prime is 110201210001227. The reversal of 110201210001221 is 122100012102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110201210001221 is a prime.

It is a super-2 number, since 2×110201210001221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201210001196 and 110201210001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201210001227) 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, 955372355 + ... + 955487696.

It is an arithmetic number, because the mean of its divisors is an integer number (13935902359236).

Almost surely, 2^{110201210001221} is an apocalyptic number.

It is an amenable number.

110201210001221 is a deficient number, since it is larger than the sum of its proper divisors (1286008872667).

110201210001221 is a wasteful number, since it uses less digits than its factorization.

110201210001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910860723.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110201210001221 its reverse (122100012102011), we get a palindrome (232301222103232).

The spelling of 110201210001221 in words is "one hundred ten trillion, two hundred one billion, two hundred ten million, one thousand, two hundred twenty-one".