121131303211 has 8 divisors (see below), whose sum is σ = 124234137504. Its totient is φ = 118058740800.

The previous prime is 121131303187. The next prime is 121131303221. The reversal of 121131303211 is 112303131121.

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 121131303211 - 2²¹ = 121129206059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121131303221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559866 + ... + 7575871.

It is an arithmetic number, because the mean of its divisors is an integer number (15529267188).

Almost surely, 2^121131303211 is an apocalyptic number.

121131303211 is a deficient number, since it is larger than the sum of its proper divisors (3102834293).

121131303211 is a wasteful number, since it uses less digits than its factorization.

121131303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135941.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121131303211 its reverse (112303131121), we get a palindrome (233434434332).

The spelling of 121131303211 in words is "one hundred twenty-one billion, one hundred thirty-one million, three hundred three thousand, two hundred eleven".