121331210101 has 8 divisors (see below), whose sum is σ = 122788314720. Its totient is φ = 119880090288.

The previous prime is 121331210089. The next prime is 121331210111. The reversal of 121331210101 is 101012133121.

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 121331210101 - 2⁹ = 121331209589 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 (121331210111) 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, 1455406 + ... + 1536511.

It is an arithmetic number, because the mean of its divisors is an integer number (15348539340).

Almost surely, 2^121331210101 is an apocalyptic number.

It is an amenable number.

121331210101 is a deficient number, since it is larger than the sum of its proper divisors (1457104619).

121331210101 is a wasteful number, since it uses less digits than its factorization.

121331210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992403.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121331210101 its reverse (101012133121), we get a palindrome (222343343222).

The spelling of 121331210101 in words is "one hundred twenty-one billion, three hundred thirty-one million, two hundred ten thousand, one hundred one".