121112021212211 has 8 divisors (see below), whose sum is σ = 121122407592000. Its totient is φ = 121101635318400.

The previous prime is 121112021212183. The next prime is 121112021212223. The reversal of 121112021212211 is 112212120211121.

It is a happy number.

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 121112021212211 - 2²⁶ = 121111954103347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112021212811) 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, 629911430 + ... + 630103668.

It is an arithmetic number, because the mean of its divisors is an integer number (15140300949000).

Almost surely, 2^{121112021212211} is an apocalyptic number.

121112021212211 is a deficient number, since it is larger than the sum of its proper divisors (10386379789).

121112021212211 is a wasteful number, since it uses less digits than its factorization.

121112021212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242989.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 121112021212211 its reverse (112212120211121), we get a palindrome (233324141423332).

The spelling of 121112021212211 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-one million, two hundred twelve thousand, two hundred eleven".