121210020120211 has 32 divisors (see below), whose sum is σ = 140571042796800. Its totient is φ = 103354592400000.

The previous prime is 121210020120151. The next prime is 121210020120223. The reversal of 121210020120211 is 112021020012121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210020120211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210020120251) 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 31 ways as a sum of consecutive naturals, for example, 877622061 + ... + 877760161.

It is an arithmetic number, because the mean of its divisors is an integer number (4392845087400).

Almost surely, 2^{121210020120211} is an apocalyptic number.

121210020120211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121210020120211 is a deficient number, since it is larger than the sum of its proper divisors (19361022676589).

121210020120211 is a wasteful number, since it uses less digits than its factorization.

121210020120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179811.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210020120211 its reverse (112021020012121), we get a palindrome (233231040132332).

The spelling of 121210020120211 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, one hundred twenty thousand, two hundred eleven".