220002044243131 has 2 divisors, whose sum is σ = 220002044243132. Its totient is φ = 220002044243130.

The previous prime is 220002044243129. The next prime is 220002044243141. The reversal of 220002044243131 is 131342440200022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220002044243131 - 2¹ = 220002044243129 is a prime.

It is a super-2 number, since 2×220002044243131² (a number of 29 digits) contains 22 as substring.

Together with 220002044243129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220002044243131.

It is not a weakly prime, because it can be changed into another prime (220002044243141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001022121565 + 110001022121566.

It is an arithmetic number, because the mean of its divisors is an integer number (110001022121566).

Almost surely, 2^{220002044243131} is an apocalyptic number.

220002044243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002044243131 is an equidigital number, since it uses as much as digits as its factorization.

220002044243131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 220002044243131 its reverse (131342440200022), we get a palindrome (351344484443153).

The spelling of 220002044243131 in words is "two hundred twenty trillion, two billion, forty-four million, two hundred forty-three thousand, one hundred thirty-one".