110221321031 has 2 divisors, whose sum is σ = 110221321032. Its totient is φ = 110221321030.

The previous prime is 110221320943. The next prime is 110221321037. The reversal of 110221321031 is 130123122011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110221321031 - 2²² = 110217126727 is a prime.

It is a super-2 number, since 2×110221321031² (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 (110221321037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110660515 + 55110660516.

It is an arithmetic number, because the mean of its divisors is an integer number (55110660516).

Almost surely, 2^110221321031 is an apocalyptic number.

110221321031 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221321031 is an equidigital number, since it uses as much as digits as its factorization.

110221321031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 110221321031 its reverse (130123122011), we get a palindrome (240344443042).

The spelling of 110221321031 in words is "one hundred ten billion, two hundred twenty-one million, three hundred twenty-one thousand, thirty-one".