220131000231121 has 16 divisors (see below), whose sum is σ = 269611512125184. Its totient is φ = 175602234861504.

The previous prime is 220131000231119. The next prime is 220131000231193. The reversal of 220131000231121 is 121132000131022.

It is a cyclic number.

It is not a de Polignac number, because 220131000231121 - 2¹ = 220131000231119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220131000231101) 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, 18476660170 + ... + 18476672083.

It is an arithmetic number, because the mean of its divisors is an integer number (16850719507824).

Almost surely, 2^{220131000231121} is an apocalyptic number.

It is an amenable number.

220131000231121 is a deficient number, since it is larger than the sum of its proper divisors (49480511894063).

220131000231121 is a wasteful number, since it uses less digits than its factorization.

220131000231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36953332320.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220131000231121 its reverse (121132000131022), we get a palindrome (341263000362143).

The spelling of 220131000231121 in words is "two hundred twenty trillion, one hundred thirty-one billion, two hundred thirty-one thousand, one hundred twenty-one".