221120233030 has 32 divisors (see below), whose sum is σ = 398859552000. Its totient is φ = 88260867552.

The previous prime is 221120232967. The next prime is 221120233051. The reversal of 221120233030 is 30332021122.

It is a junction number, because it is equal to n+sod(n) for n = 221120232989 and 221120233007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15920469 + ... + 15934351.

It is an arithmetic number, because the mean of its divisors is an integer number (12464361000).

Almost surely, 2^221120233030 is an apocalyptic number.

221120233030 is a deficient number, since it is larger than the sum of its proper divisors (177739318970).

221120233030 is a wasteful number, since it uses less digits than its factorization.

221120233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221120233030 its reverse (30332021122), we get a palindrome (251452254152).

The spelling of 221120233030 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred thirty-three thousand, thirty".