22020212011201 has 4 divisors (see below), whose sum is σ = 22238233912404. Its totient is φ = 21802190110000.

The previous prime is 22020212011199. The next prime is 22020212011247. The reversal of 22020212011201 is 10211021202022.

It is a happy number.

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 20987173542976 + 1033038468225 = 4581176^2 + 1016385^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020212011201 - 2¹ = 22020212011199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020212014201) 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, 109010950450 + ... + 109010950651.

It is an arithmetic number, because the mean of its divisors is an integer number (5559558478101).

Almost surely, 2^{22020212011201} is an apocalyptic number.

It is an amenable number.

22020212011201 is a deficient number, since it is larger than the sum of its proper divisors (218021901203).

22020212011201 is a wasteful number, since it uses less digits than its factorization.

22020212011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218021901202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22020212011201 its reverse (10211021202022), we get a palindrome (32231233213223).

The spelling of 22020212011201 in words is "twenty-two trillion, twenty billion, two hundred twelve million, eleven thousand, two hundred one".