110121211211201 has 4 divisors (see below), whose sum is σ = 110121882686400. Its totient is φ = 110120539736004.

The previous prime is 110121211211173. The next prime is 110121211211233. The reversal of 110121211211201 is 102112112121011.

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 110121211211201 - 2²² = 110121207016897 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 110121211211201.

It is not an unprimeable number, because it can be changed into a prime (110121211211251) 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, 335491541 + ... + 335819618.

It is an arithmetic number, because the mean of its divisors is an integer number (27530470671600).

Almost surely, 2^{110121211211201} is an apocalyptic number.

It is an amenable number.

110121211211201 is a deficient number, since it is larger than the sum of its proper divisors (671475199).

110121211211201 is an equidigital number, since it uses as much as digits as its factorization.

110121211211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671475198.

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

Adding to 110121211211201 its reverse (102112112121011), we get a palindrome (212233323332212).

The spelling of 110121211211201 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred eleven million, two hundred eleven thousand, two hundred one".