221323310032030 has 16 divisors (see below), whose sum is σ = 399852002188224. Its totient is φ = 88202647539360.

The previous prime is 221323310031953. The next prime is 221323310032037. The reversal of 221323310032030 is 30230013323122.

It is a junction number, because it is equal to n+sod(n) for n = 221323310031986 and 221323310032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221323310032037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40834556337 + ... + 40834561756.

It is an arithmetic number, because the mean of its divisors is an integer number (24990750136764).

Almost surely, 2^{221323310032030} is an apocalyptic number.

221323310032030 is a deficient number, since it is larger than the sum of its proper divisors (178528692156194).

221323310032030 is a wasteful number, since it uses less digits than its factorization.

221323310032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81669118371.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221323310032030 its reverse (30230013323122), we get a palindrome (251553323355152).

The spelling of 221323310032030 in words is "two hundred twenty-one trillion, three hundred twenty-three billion, three hundred ten million, thirty-two thousand, thirty".