121132313121 has 8 divisors (see below), whose sum is σ = 161513773344. Its totient is φ = 80752864160.

The previous prime is 121132313117. The next prime is 121132313123. The reversal of 121132313121 is 121313231121.

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 121132313121 - 2² = 121132313117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121132313123) 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, 356175 + ... + 607556.

It is an arithmetic number, because the mean of its divisors is an integer number (20189221668).

Almost surely, 2^121132313121 is an apocalyptic number.

It is an amenable number.

121132313121 is a deficient number, since it is larger than the sum of its proper divisors (40381460223).

121132313121 is an equidigital number, since it uses as much as digits as its factorization.

121132313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005631.

The product of its digits is 216, while the sum is 21.

Adding to 121132313121 its reverse (121313231121), we get a palindrome (242445544242).

The spelling of 121132313121 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred thirteen thousand, one hundred twenty-one".