21223210000030 has 16 divisors (see below), whose sum is σ = 38725090028784. Its totient is φ = 8372992438080.

The previous prime is 21223210000021. The next prime is 21223210000061. The reversal of 21223210000030 is 3000001232212.

It is a junction number, because it is equal to n+sod(n) for n = 21223209999959 and 21223210000013.

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, 14536444476 + ... + 14536445935.

It is an arithmetic number, because the mean of its divisors is an integer number (2420318126799).

Almost surely, 2^{21223210000030} is an apocalyptic number.

21223210000030 is a deficient number, since it is larger than the sum of its proper divisors (17501880028754).

21223210000030 is a wasteful number, since it uses less digits than its factorization.

21223210000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29072890491.

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

Adding to 21223210000030 its reverse (3000001232212), we get a palindrome (24223211232242).

The spelling of 21223210000030 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred ten million, thirty", and thus it is an aban number.