221010232030 has 16 divisors (see below), whose sum is σ = 454649620320. Its totient is φ = 75774936672.

The previous prime is 221010231979. The next prime is 221010232031. The reversal of 221010232030 is 30232010122.

It is a junction number, because it is equal to n+sod(n) for n = 221010231995 and 221010232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010232031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578644445 + ... + 1578644584.

It is an arithmetic number, because the mean of its divisors is an integer number (28415601270).

Almost surely, 2^221010232030 is an apocalyptic number.

221010232030 is an abundant number, since it is smaller than the sum of its proper divisors (233639388290).

221010232030 is a wasteful number, since it uses less digits than its factorization.

221010232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157289043.

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

Adding to 221010232030 its reverse (30232010122), we get a palindrome (251242242152).

The spelling of 221010232030 in words is "two hundred twenty-one billion, ten million, two hundred thirty-two thousand, thirty".