121110011222201 has 4 divisors (see below), whose sum is σ = 121132360371600. Its totient is φ = 121087662072804.

The previous prime is 121110011222191. The next prime is 121110011222203. The reversal of 121110011222201 is 102222110011121.

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 121110011222201 - 2⁴⁶ = 50741267044537 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 121110011222201.

It is not an unprimeable number, because it can be changed into a prime (121110011222203) 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, 11174566571 + ... + 11174577408.

It is an arithmetic number, because the mean of its divisors is an integer number (30283090092900).

Almost surely, 2^{121110011222201} is an apocalyptic number.

It is an amenable number.

121110011222201 is a deficient number, since it is larger than the sum of its proper divisors (22349149399).

121110011222201 is an equidigital number, since it uses as much as digits as its factorization.

121110011222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349149398.

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

Adding to 121110011222201 its reverse (102222110011121), we get a palindrome (223332121233322).

The spelling of 121110011222201 in words is "one hundred twenty-one trillion, one hundred ten billion, eleven million, two hundred twenty-two thousand, two hundred one".