121020121010001 has 8 divisors (see below), whose sum is σ = 162957786706944. Its totient is φ = 79881267993200.

The previous prime is 121020121009993. The next prime is 121020121010027. The reversal of 121020121010001 is 100010121020121.

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 121020121010001 - 2³ = 121020121009993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020121010081) 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, 199703169681 + ... + 199703170286.

It is an arithmetic number, because the mean of its divisors is an integer number (20369723338368).

Almost surely, 2^{121020121010001} is an apocalyptic number.

It is an amenable number.

121020121010001 is a deficient number, since it is larger than the sum of its proper divisors (41937665696943).

121020121010001 is a wasteful number, since it uses less digits than its factorization.

121020121010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399406340071.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121020121010001 its reverse (100010121020121), we get a palindrome (221030242030122).

The spelling of 121020121010001 in words is "one hundred twenty-one trillion, twenty billion, one hundred twenty-one million, ten thousand, one".