121100210020001 has 8 divisors (see below), whose sum is σ = 121395338558208. Its totient is φ = 120805430130000.

The previous prime is 121100210019989. The next prime is 121100210020039. The reversal of 121100210020001 is 100020012001121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121100210020001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121100210020061) 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, 86466515 + ... + 87855896.

It is an arithmetic number, because the mean of its divisors is an integer number (15174417319776).

Almost surely, 2^{121100210020001} is an apocalyptic number.

It is an amenable number.

121100210020001 is a deficient number, since it is larger than the sum of its proper divisors (295128538207).

121100210020001 is an equidigital number, since it uses as much as digits as its factorization.

121100210020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174324103.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121100210020001 its reverse (100020012001121), we get a palindrome (221120222021122).

The spelling of 121100210020001 in words is "one hundred twenty-one trillion, one hundred billion, two hundred ten million, twenty thousand, one".