32001121011001 has 2 divisors, whose sum is σ = 32001121011002. Its totient is φ = 32001121011000.

The previous prime is 32001121010939. The next prime is 32001121011011. The reversal of 32001121011001 is 10011012110023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23769759179776 + 8231361831225 = 4875424^2 + 2869035^2 .

It is an emirp because it is prime and its reverse (10011012110023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32001121011001 - 2²¹ = 32001118913849 is a prime.

It is not a weakly prime, because it can be changed into another prime (32001121011011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000560505500 + 16000560505501.

It is an arithmetic number, because the mean of its divisors is an integer number (16000560505501).

Almost surely, 2^{32001121011001} is an apocalyptic number.

It is an amenable number.

32001121011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

32001121011001 is an equidigital number, since it uses as much as digits as its factorization.

32001121011001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 32001121011001 its reverse (10011012110023), we get a palindrome (42012133121024).

The spelling of 32001121011001 in words is "thirty-two trillion, one billion, one hundred twenty-one million, eleven thousand, one".