121112021102001 has 8 divisors (see below), whose sum is σ = 161484538836384. Its totient is φ = 80740425384480.

The previous prime is 121112021101993. The next prime is 121112021102003. The reversal of 121112021102001 is 100201120211121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121112021102001 - 2³ = 121112021101993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112021102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230197660 + ... + 230723181.

It is an arithmetic number, because the mean of its divisors is an integer number (20185567354548).

Almost surely, 2^{121112021102001} is an apocalyptic number.

It is an amenable number.

121112021102001 is a deficient number, since it is larger than the sum of its proper divisors (40372517734383).

121112021102001 is an equidigital number, since it uses as much as digits as its factorization.

121112021102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461008431.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121112021102001 its reverse (100201120211121), we get a palindrome (221313141313122).

The spelling of 121112021102001 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-one million, one hundred two thousand, one".