21200222011022 has 8 divisors (see below), whose sum is σ = 32476935846816. Its totient is φ = 10374576728752.

The previous prime is 21200222011021. The next prime is 21200222011039. The reversal of 21200222011022 is 22011022200212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200222011021) 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, 112767138263 + ... + 112767138450.

It is an arithmetic number, because the mean of its divisors is an integer number (4059616980852).

Almost surely, 2^{21200222011022} is an apocalyptic number.

21200222011022 is a deficient number, since it is larger than the sum of its proper divisors (11276713835794).

21200222011022 is a wasteful number, since it uses less digits than its factorization.

21200222011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225534276762.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21200222011022 its reverse (22011022200212), we get a palindrome (43211244211234).

The spelling of 21200222011022 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, eleven thousand, twenty-two".