121333212101 has 8 divisors (see below), whose sum is σ = 124163349024. Its totient is φ = 118503458640.

The previous prime is 121333212097. The next prime is 121333212113. The reversal of 121333212101 is 101212333121.

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 121333212101 - 2² = 121333212097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333212901) 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, 603071 + ... + 778691.

It is an arithmetic number, because the mean of its divisors is an integer number (15520418628).

Almost surely, 2^121333212101 is an apocalyptic number.

It is an amenable number.

121333212101 is a deficient number, since it is larger than the sum of its proper divisors (2830136923).

121333212101 is a wasteful number, since it uses less digits than its factorization.

121333212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191731.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121333212101 its reverse (101212333121), we get a palindrome (222545545222).

The spelling of 121333212101 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred twelve thousand, one hundred one".