21011140222022 has 8 divisors (see below), whose sum is σ = 32249657085096. Its totient is φ = 10261254526992.

The previous prime is 21011140222019. The next prime is 21011140222027. The reversal of 21011140222022 is 22022204111012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21011140221985 and 21011140222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011140222027) 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, 122157791903 + ... + 122157792074.

It is an arithmetic number, because the mean of its divisors is an integer number (4031207135637).

Almost surely, 2^{21011140222022} is an apocalyptic number.

21011140222022 is a deficient number, since it is larger than the sum of its proper divisors (11238516863074).

21011140222022 is a wasteful number, since it uses less digits than its factorization.

21011140222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244315584022.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21011140222022 its reverse (22022204111012), we get a palindrome (43033344333034).

The spelling of 21011140222022 in words is "twenty-one trillion, eleven billion, one hundred forty million, two hundred twenty-two thousand, twenty-two".