36120211221001 has 4 divisors (see below), whose sum is σ = 36120590002432. Its totient is φ = 36119832439572.

The previous prime is 36120211220981. The next prime is 36120211221007. The reversal of 36120211221001 is 10012211202163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36120211221001 - 2¹⁷ = 36120211089929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36120211221007) 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, 189247641 + ... + 189438406.

It is an arithmetic number, because the mean of its divisors is an integer number (9030147500608).

Almost surely, 2^{36120211221001} is an apocalyptic number.

It is an amenable number.

36120211221001 is a deficient number, since it is larger than the sum of its proper divisors (378781431).

36120211221001 is an equidigital number, since it uses as much as digits as its factorization.

36120211221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378781430.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 36120211221001 its reverse (10012211202163), we get a palindrome (46132422423164).

The spelling of 36120211221001 in words is "thirty-six trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, one".