121332021010001 has 4 divisors (see below), whose sum is σ = 121430106719412. Its totient is φ = 121233935300592.

The previous prime is 121332021009949. The next prime is 121332021010033. The reversal of 121332021010001 is 100010120233121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64235031384976 + 57096989625025 = 8014676^2 + 7556255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121332021010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121332021010801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49042852850 + ... + 49042855323.

It is an arithmetic number, because the mean of its divisors is an integer number (30357526679853).

Almost surely, 2^{121332021010001} is an apocalyptic number.

It is an amenable number.

121332021010001 is a deficient number, since it is larger than the sum of its proper divisors (98085709411).

121332021010001 is an equidigital number, since it uses as much as digits as its factorization.

121332021010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98085709410.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121332021010001 its reverse (100010120233121), we get a palindrome (221342141243122).

The spelling of 121332021010001 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, twenty-one million, ten thousand, one".