121201111120001 has 8 divisors (see below), whose sum is σ = 132220078202208. Its totient is φ = 110182258080000.

The previous prime is 121201111119989. The next prime is 121201111120021. The reversal of 121201111120001 is 100021111102121.

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 121201111120001 - 2⁶ = 121201111119937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201111120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26280800 + ... + 30546401.

It is an arithmetic number, because the mean of its divisors is an integer number (16527509775276).

Almost surely, 2^{121201111120001} is an apocalyptic number.

121201111120001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121201111120001 is a deficient number, since it is larger than the sum of its proper divisors (11018967082207).

121201111120001 is a wasteful number, since it uses less digits than its factorization.

121201111120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57021103.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121201111120001 its reverse (100021111102121), we get a palindrome (221222222222122).

The spelling of 121201111120001 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred eleven million, one hundred twenty thousand, one".