22120220121211 has 8 divisors (see below), whose sum is σ = 22845096335744. Its totient is φ = 21396051452160.

The previous prime is 22120220121203. The next prime is 22120220121221. The reversal of 22120220121211 is 11212102202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120220121211 - 2³ = 22120220121203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120220121221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176822820 + ... + 176947873.

It is an arithmetic number, because the mean of its divisors is an integer number (2855637041968).

Almost surely, 2^{22120220121211} is an apocalyptic number.

22120220121211 is a deficient number, since it is larger than the sum of its proper divisors (724876214533).

22120220121211 is a wasteful number, since it uses less digits than its factorization.

22120220121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353772741.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120220121211 its reverse (11212102202122), we get a palindrome (33332322323333).

The spelling of 22120220121211 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred eleven".