110221121100201 has 4 divisors (see below), whose sum is σ = 146961494800272. Its totient is φ = 73480747400132.

The previous prime is 110221121100149. The next prime is 110221121100257. The reversal of 110221121100201 is 102001121122011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110221121100201 - 2⁹ = 110221121099689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110221121100281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18370186850031 + ... + 18370186850036.

It is an arithmetic number, because the mean of its divisors is an integer number (36740373700068).

Almost surely, 2^{110221121100201} is an apocalyptic number.

It is an amenable number.

110221121100201 is a deficient number, since it is larger than the sum of its proper divisors (36740373700071).

110221121100201 is an equidigital number, since it uses as much as digits as its factorization.

110221121100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36740373700070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110221121100201 its reverse (102001121122011), we get a palindrome (212222242222212).

The spelling of 110221121100201 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two hundred one".