121112120101 has 8 divisors (see below), whose sum is σ = 138475688960. Its totient is φ = 103764010608.

The previous prime is 121112120089. The next prime is 121112120149. The reversal of 121112120101 is 101021211121.

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 121112120101 - 2¹¹ = 121112118053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112120161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3848046 + ... + 3879391.

It is an arithmetic number, because the mean of its divisors is an integer number (17309461120).

Almost surely, 2^121112120101 is an apocalyptic number.

It is an amenable number.

121112120101 is a deficient number, since it is larger than the sum of its proper divisors (17363568859).

121112120101 is an equidigital number, since it uses as much as digits as its factorization.

121112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729683.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121112120101 its reverse (101021211121), we get a palindrome (222133331222).

The spelling of 121112120101 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred one".