221123300010 has 32 divisors (see below), whose sum is σ = 530800324992. Its totient is φ = 58954612800.

The previous prime is 221123299993. The next prime is 221123300017. The reversal of 221123300010 is 10003321122.

221123300010 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (221123300017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569454 + ... + 875513.

It is an arithmetic number, because the mean of its divisors is an integer number (16587510156).

Almost surely, 2^221123300010 is an apocalyptic number.

221123300010 is an abundant number, since it is smaller than the sum of its proper divisors (309677024982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221123300010 is a wasteful number, since it uses less digits than its factorization.

221123300010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450078.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221123300010 its reverse (10003321122), we get a palindrome (231126621132).

The spelling of 221123300010 in words is "two hundred twenty-one billion, one hundred twenty-three million, three hundred thousand, ten".