21122330030 has 16 divisors (see below), whose sum is σ = 38023411824. Its totient is φ = 8448216960.

The previous prime is 21122330029. The next prime is 21122330057. The reversal of 21122330030 is 3003322112.

It is a junction number, because it is equal to n+sod(n) for n = 21122329990 and 21122330008.

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, 44189 + ... + 210231.

It is an arithmetic number, because the mean of its divisors is an integer number (2376463239).

Almost surely, 2^21122330030 is an apocalyptic number.

21122330030 is a deficient number, since it is larger than the sum of its proper divisors (16901081794).

21122330030 is a wasteful number, since it uses less digits than its factorization.

21122330030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178771.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21122330030 its reverse (3003322112), we get a palindrome (24125652142).

The spelling of 21122330030 in words is "twenty-one billion, one hundred twenty-two million, three hundred thirty thousand, thirty".