110020111212201 has 4 divisors (see below), whose sum is σ = 146693481616272. Its totient is φ = 73346740808132.

The previous prime is 110020111212149. The next prime is 110020111212227. The reversal of 110020111212201 is 102212111020011.

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 a de Polignac number, because none of the positive numbers 2^k-110020111212201 is a prime.

It is a super-2 number, since 2×110020111212201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110020111212001) 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, 18336685202031 + ... + 18336685202036.

It is an arithmetic number, because the mean of its divisors is an integer number (36673370404068).

Almost surely, 2^{110020111212201} is an apocalyptic number.

It is an amenable number.

110020111212201 is a deficient number, since it is larger than the sum of its proper divisors (36673370404071).

110020111212201 is an equidigital number, since it uses as much as digits as its factorization.

110020111212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36673370404070.

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

Adding to 110020111212201 its reverse (102212111020011), we get a palindrome (212232222232212).

The spelling of 110020111212201 in words is "one hundred ten trillion, twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred one".