220221032231103 has 4 divisors (see below), whose sum is σ = 293628042974808. Its totient is φ = 146814021487400.

The previous prime is 220221032231059. The next prime is 220221032231149. The reversal of 220221032231103 is 301132230122022.

220221032231103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220221032231103 - 2¹⁷ = 220221032100031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221032231203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36703505371848 + ... + 36703505371853.

It is an arithmetic number, because the mean of its divisors is an integer number (73407010743702).

Almost surely, 2^{220221032231103} is an apocalyptic number.

220221032231103 is a deficient number, since it is larger than the sum of its proper divisors (73407010743705).

220221032231103 is an equidigital number, since it uses as much as digits as its factorization.

220221032231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73407010743704.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 220221032231103 its reverse (301132230122022), we get a palindrome (521353262353125).

The spelling of 220221032231103 in words is "two hundred twenty trillion, two hundred twenty-one billion, thirty-two million, two hundred thirty-one thousand, one hundred three".