110220500381 has 2 divisors, whose sum is σ = 110220500382. Its totient is φ = 110220500380.

The previous prime is 110220500371. The next prime is 110220500417. The reversal of 110220500381 is 183005022011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97237948900 + 12982551481 = 311830^2 + 113941^2 .

It is a cyclic number.

It is not a de Polignac number, because 110220500381 - 2³⁰ = 109146758557 is a prime.

It is a super-2 number, since 2×110220500381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110220500311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110250190 + 55110250191.

It is an arithmetic number, because the mean of its divisors is an integer number (55110250191).

Almost surely, 2^110220500381 is an apocalyptic number.

It is an amenable number.

110220500381 is a deficient number, since it is larger than the sum of its proper divisors (1).

110220500381 is an equidigital number, since it uses as much as digits as its factorization.

110220500381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 110220500381 its reverse (183005022011), we get a palindrome (293225522392).

The spelling of 110220500381 in words is "one hundred ten billion, two hundred twenty million, five hundred thousand, three hundred eighty-one".