22120120012216 has 8 divisors (see below), whose sum is σ = 41475225022920. Its totient is φ = 11060060006104.

The previous prime is 22120120012183. The next prime is 22120120012217. The reversal of 22120120012216 is 61221002102122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120120012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382507500756 + ... + 1382507500771.

It is an arithmetic number, because the mean of its divisors is an integer number (5184403127865).

Almost surely, 2^{22120120012216} is an apocalyptic number.

It is an amenable number.

22120120012216 is a deficient number, since it is larger than the sum of its proper divisors (19355105010704).

22120120012216 is a wasteful number, since it uses less digits than its factorization.

22120120012216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765015001533 (or 2765015001529 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22120120012216 its reverse (61221002102122), we get a palindrome (83341122114338).

The spelling of 22120120012216 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty million, twelve thousand, two hundred sixteen".