21103020230222 has 32 divisors (see below), whose sum is σ = 36339973017600. Its totient is φ = 9003312347328.

The previous prime is 21103020230221. The next prime is 21103020230267. The reversal of 21103020230222 is 22203202030112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21103020230194 and 21103020230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103020230221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121918154 + ... + 122091122.

It is an arithmetic number, because the mean of its divisors is an integer number (1135624156800).

Almost surely, 2^{21103020230222} is an apocalyptic number.

21103020230222 is a deficient number, since it is larger than the sum of its proper divisors (15236952787378).

21103020230222 is a wasteful number, since it uses less digits than its factorization.

21103020230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212280.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21103020230222 its reverse (22203202030112), we get a palindrome (43306222260334).

The spelling of 21103020230222 in words is "twenty-one trillion, one hundred three billion, twenty million, two hundred thirty thousand, two hundred twenty-two".