22000120101221 has 16 divisors (see below), whose sum is σ = 23243230694400. Its totient is φ = 20765551888368.

The previous prime is 22000120101187. The next prime is 22000120101277. The reversal of 22000120101221 is 12210102100022.

It is a cyclic number.

It is not a de Polignac number, because 22000120101221 - 2³⁴ = 21982940232037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000120101196 and 22000120101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000120101721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37124570 + ... + 37712516.

It is an arithmetic number, because the mean of its divisors is an integer number (1452701918400).

Almost surely, 2^{22000120101221} is an apocalyptic number.

It is an amenable number.

22000120101221 is a deficient number, since it is larger than the sum of its proper divisors (1243110593179).

22000120101221 is a wasteful number, since it uses less digits than its factorization.

22000120101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595208.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22000120101221 its reverse (12210102100022), we get a palindrome (34210222201243).

The spelling of 22000120101221 in words is "twenty-two trillion, one hundred twenty million, one hundred one thousand, two hundred twenty-one".