2231221000030 has 64 divisors (see below), whose sum is σ = 4425312268800. Its totient is φ = 803206192000.

The previous prime is 2231220999967. The next prime is 2231221000049. The reversal of 2231221000030 is 300001221322.

It is a super-3 number, since 3×2231221000030³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231220999968 and 2231221000013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145833321 + ... + 145848619.

It is an arithmetic number, because the mean of its divisors is an integer number (69145504200).

Almost surely, 2^{2231221000030} is an apocalyptic number.

2231221000030 is a deficient number, since it is larger than the sum of its proper divisors (2194091268770).

2231221000030 is a wasteful number, since it uses less digits than its factorization.

2231221000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28545.

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

Adding to 2231221000030 its reverse (300001221322), we get a palindrome (2531222221352).

The spelling of 2231221000030 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-one million, thirty", and thus it is an aban number.