22120220132201 has 4 divisors (see below), whose sum is σ = 22120752562500. Its totient is φ = 22119687701904.

The previous prime is 22120220132113. The next prime is 22120220132221. The reversal of 22120220132201 is 10223102202122.

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 9254834814976 + 12865385317225 = 3042176^2 + 3586835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120220132201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120220132221) 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, 266152826 + ... + 266235923.

It is an arithmetic number, because the mean of its divisors is an integer number (5530188140625).

Almost surely, 2^{22120220132201} is an apocalyptic number.

It is an amenable number.

22120220132201 is a deficient number, since it is larger than the sum of its proper divisors (532430299).

22120220132201 is an equidigital number, since it uses as much as digits as its factorization.

22120220132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532430298.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22120220132201 its reverse (10223102202122), we get a palindrome (32343322334323).

The spelling of 22120220132201 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, one hundred thirty-two thousand, two hundred one".