121244112211 has 8 divisors (see below), whose sum is σ = 121936838400. Its totient is φ = 120551557320.

The previous prime is 121244112203. The next prime is 121244112281. The reversal of 121244112211 is 112211442121.

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

It is a cyclic number.

It is not a de Polignac number, because 121244112211 - 2³ = 121244112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121244112281) 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, 1543866 + ... + 1620496.

It is an arithmetic number, because the mean of its divisors is an integer number (15242104800).

Almost surely, 2^121244112211 is an apocalyptic number.

121244112211 is a deficient number, since it is larger than the sum of its proper divisors (692726189).

121244112211 is an equidigital number, since it uses as much as digits as its factorization.

121244112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85649.

The product of its digits is 256, while the sum is 22.

Adding to 121244112211 its reverse (112211442121), we get a palindrome (233455554332).

The spelling of 121244112211 in words is "one hundred twenty-one billion, two hundred forty-four million, one hundred twelve thousand, two hundred eleven".