121201100022001 has 8 divisors (see below), whose sum is σ = 122811571769600. Its totient is φ = 119592535289760.

The previous prime is 121201100021983. The next prime is 121201100022017. The reversal of 121201100022001 is 100220001102121.

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 121201100022001 - 2¹³ = 121201100013809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201100022701) 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, 476625885 + ... + 476880106.

It is an arithmetic number, because the mean of its divisors is an integer number (15351446471200).

Almost surely, 2^{121201100022001} is an apocalyptic number.

It is an amenable number.

121201100022001 is a deficient number, since it is larger than the sum of its proper divisors (1610471747599).

121201100022001 is an equidigital number, since it uses as much as digits as its factorization.

121201100022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953507679.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121201100022001 its reverse (100220001102121), we get a palindrome (221421101124122).

The spelling of 121201100022001 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred million, twenty-two thousand, one".