121011230211 has 8 divisors (see below), whose sum is σ = 161352578064. Its totient is φ = 80672017920.

The previous prime is 121011230177. The next prime is 121011230213. The reversal of 121011230211 is 112032110121.

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

It is not a de Polignac number, because 121011230211 - 2⁷ = 121011230083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011230213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396630 + ... + 631931.

It is an arithmetic number, because the mean of its divisors is an integer number (20169072258).

Almost surely, 2^121011230211 is an apocalyptic number.

121011230211 is a deficient number, since it is larger than the sum of its proper divisors (40341347853).

121011230211 is a wasteful number, since it uses less digits than its factorization.

121011230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067781.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121011230211 its reverse (112032110121), we get a palindrome (233043340332).

The spelling of 121011230211 in words is "one hundred twenty-one billion, eleven million, two hundred thirty thousand, two hundred eleven".