121301212110211 has 12 divisors (see below), whose sum is σ = 141294968347792. Its totient is φ = 102010722836256.

The previous prime is 121301212110173. The next prime is 121301212110217. The reversal of 121301212110211 is 112011212103121.

It is not a de Polignac number, because 121301212110211 - 2²⁷ = 121301077892483 is a prime.

It is a super-2 number, since 2×121301212110211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121301212110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084484536 + ... + 3084523861.

Almost surely, 2^{121301212110211} is an apocalyptic number.

121301212110211 is a deficient number, since it is larger than the sum of its proper divisors (19993756237581).

121301212110211 is an frugal number, since it uses more digits than its factorization.

121301212110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169008510 (or 6169008457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 121301212110211 its reverse (112011212103121), we get a palindrome (233312424213332).

The spelling of 121301212110211 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred twelve million, one hundred ten thousand, two hundred eleven".