55110224021231 has 2 divisors, whose sum is σ = 55110224021232. Its totient is φ = 55110224021230.

The previous prime is 55110224021197. The next prime is 55110224021261. The reversal of 55110224021231 is 13212042201155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55110224021231 is a prime.

It is a super-2 number, since 2×55110224021231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55110224021194 and 55110224021203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55110224021261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555112010615 + 27555112010616.

It is an arithmetic number, because the mean of its divisors is an integer number (27555112010616).

Almost surely, 2^{55110224021231} is an apocalyptic number.

55110224021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55110224021231 is an equidigital number, since it uses as much as digits as its factorization.

55110224021231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 55110224021231 its reverse (13212042201155), we get a palindrome (68322266222386).

The spelling of 55110224021231 in words is "fifty-five trillion, one hundred ten billion, two hundred twenty-four million, twenty-one thousand, two hundred thirty-one".