221010123010 has 32 divisors (see below), whose sum is σ = 398684763072. Its totient is φ = 88211672640.

The previous prime is 221010122987. The next prime is 221010123023. The reversal of 221010123010 is 10321010122.

221010123010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10354209 + ... + 10375531.

It is an arithmetic number, because the mean of its divisors is an integer number (12458898846).

Almost surely, 2^221010123010 is an apocalyptic number.

221010123010 is a deficient number, since it is larger than the sum of its proper divisors (177674640062).

221010123010 is a wasteful number, since it uses less digits than its factorization.

221010123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221010123010 its reverse (10321010122), we get a palindrome (231331133132).

The spelling of 221010123010 in words is "two hundred twenty-one billion, ten million, one hundred twenty-three thousand, ten".