220124222131 has 16 divisors (see below), whose sum is σ = 241289174880. Its totient is φ = 199152967680.

The previous prime is 220124222111. The next prime is 220124222231. The reversal of 220124222131 is 131222421022.

It is a cyclic number.

It is not a de Polignac number, because 220124222131 - 2⁵ = 220124222099 is a prime.

It is a super-2 number, since 2×220124222131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220124222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122905 + ... + 3192613.

It is an arithmetic number, because the mean of its divisors is an integer number (15080573430).

Almost surely, 2^220124222131 is an apocalyptic number.

220124222131 is a deficient number, since it is larger than the sum of its proper divisors (21164952749).

220124222131 is a wasteful number, since it uses less digits than its factorization.

220124222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71094.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 220124222131 its reverse (131222421022), we get a palindrome (351346643153).

The spelling of 220124222131 in words is "two hundred twenty billion, one hundred twenty-four million, two hundred twenty-two thousand, one hundred thirty-one".