121101112201 has 4 divisors (see below), whose sum is σ = 122025548304. Its totient is φ = 120176676100.

The previous prime is 121101112199. The next prime is 121101112243. The reversal of 121101112201 is 102211101121.

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 121101112201 - 2¹ = 121101112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101110201) 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, 462217855 + ... + 462218116.

It is an arithmetic number, because the mean of its divisors is an integer number (30506387076).

Almost surely, 2^121101112201 is an apocalyptic number.

It is an amenable number.

121101112201 is a deficient number, since it is larger than the sum of its proper divisors (924436103).

121101112201 is an equidigital number, since it uses as much as digits as its factorization.

121101112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924436102.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121101112201 its reverse (102211101121), we get a palindrome (223312213322).

The spelling of 121101112201 in words is "one hundred twenty-one billion, one hundred one million, one hundred twelve thousand, two hundred one".