220131021223103 has 32 divisors (see below), whose sum is σ = 236055456000000. Its totient is φ = 204554738741760.

The previous prime is 220131021223051. The next prime is 220131021223177. The reversal of 220131021223103 is 301322120131022.

It is a cyclic number.

It is not a de Polignac number, because 220131021223103 - 2⁶ = 220131021223039 is a prime.

It is a super-2 number, since 2×220131021223103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131021222103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939886673 + ... + 940120853.

It is an arithmetic number, because the mean of its divisors is an integer number (7376733000000).

Almost surely, 2^{220131021223103} is an apocalyptic number.

220131021223103 is a deficient number, since it is larger than the sum of its proper divisors (15924434776897).

220131021223103 is a wasteful number, since it uses less digits than its factorization.

220131021223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236535.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 220131021223103 its reverse (301322120131022), we get a palindrome (521453141354125).

The spelling of 220131021223103 in words is "two hundred twenty trillion, one hundred thirty-one billion, twenty-one million, two hundred twenty-three thousand, one hundred three".