21122230030 has 16 divisors (see below), whose sum is σ = 41476379184. Its totient is φ = 7680810880.

The previous prime is 21122230027. The next prime is 21122230037. The reversal of 21122230030 is 3003222112.

It is a super-2 number, since 2×21122230030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21122229986 and 21122230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122230037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96010027 + ... + 96010246.

It is an arithmetic number, because the mean of its divisors is an integer number (2592273699).

Almost surely, 2^21122230030 is an apocalyptic number.

21122230030 is a deficient number, since it is larger than the sum of its proper divisors (20354149154).

21122230030 is a wasteful number, since it uses less digits than its factorization.

21122230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192020291.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21122230030 its reverse (3003222112), we get a palindrome (24125452142).

It can be divided in two parts, 21122 and 230030, that added together give a palindrome (251152).

The spelling of 21122230030 in words is "twenty-one billion, one hundred twenty-two million, two hundred thirty thousand, thirty".