21110230203222 has 16 divisors (see below), whose sum is σ = 44442589901760. Its totient is φ = 6666388485192.

The previous prime is 21110230203187. The next prime is 21110230203269. The reversal of 21110230203222 is 22230203201112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92588728848 + ... + 92588729075.

It is an arithmetic number, because the mean of its divisors is an integer number (2777661868860).

Almost surely, 2^{21110230203222} is an apocalyptic number.

21110230203222 is an abundant number, since it is smaller than the sum of its proper divisors (23332359698538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110230203222 is a wasteful number, since it uses less digits than its factorization.

21110230203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185177457947.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21110230203222 its reverse (22230203201112), we get a palindrome (43340433404334).

The spelling of 21110230203222 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty million, two hundred three thousand, two hundred twenty-two".