121112201110011 has 8 divisors (see below), whose sum is σ = 165847338457104. Its totient is φ = 78559265584800.

The previous prime is 121112201109997. The next prime is 121112201110099. The reversal of 121112201110011 is 110011102211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121112201110011 - 2²¹ = 121112199012859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112201112011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545550455340 + ... + 545550455561.

It is an arithmetic number, because the mean of its divisors is an integer number (20730917307138).

Almost surely, 2^{121112201110011} is an apocalyptic number.

121112201110011 is a deficient number, since it is larger than the sum of its proper divisors (44735137347093).

121112201110011 is a wasteful number, since it uses less digits than its factorization.

121112201110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091100910941.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121112201110011 its reverse (110011102211121), we get a palindrome (231123303321132).

The spelling of 121112201110011 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred ten thousand, eleven".