121011110012211 has 8 divisors (see below), whose sum is σ = 161353179033600. Its totient is φ = 80671557166152.

The previous prime is 121011110012203. The next prime is 121011110012291. The reversal of 121011110012211 is 112210011110121.

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

It is not a de Polignac number, because 121011110012211 - 2³ = 121011110012203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011110012291) 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, 628931611 + ... + 629123988.

It is an arithmetic number, because the mean of its divisors is an integer number (20169147379200).

Almost surely, 2^{121011110012211} is an apocalyptic number.

121011110012211 is a deficient number, since it is larger than the sum of its proper divisors (40342069021389).

121011110012211 is a wasteful number, since it uses less digits than its factorization.

121011110012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258087665.

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

Adding to 121011110012211 its reverse (112210011110121), we get a palindrome (233221121122332).

The spelling of 121011110012211 in words is "one hundred twenty-one trillion, eleven billion, one hundred ten million, twelve thousand, two hundred eleven".