121121233001 has 2 divisors, whose sum is σ = 121121233002. Its totient is φ = 121121233000.

The previous prime is 121121232997. The next prime is 121121233039. The reversal of 121121233001 is 100332121121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74760683776 + 46360549225 = 273424^2 + 215315^2 .

It is a cyclic number.

It is not a de Polignac number, because 121121233001 - 2² = 121121232997 is a prime.

It is not a weakly prime, because it can be changed into another prime (121121233061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560616500 + 60560616501.

It is an arithmetic number, because the mean of its divisors is an integer number (60560616501).

Almost surely, 2^121121233001 is an apocalyptic number.

It is an amenable number.

121121233001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121233001 is an equidigital number, since it uses as much as digits as its factorization.

121121233001 is an evil number, because the sum of its binary digits is even.

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

Adding to 121121233001 its reverse (100332121121), we get a palindrome (221453354122).

The spelling of 121121233001 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-three thousand, one".