103221221211 has 8 divisors (see below), whose sum is σ = 152920327760. Its totient is φ = 68814147456.

The previous prime is 103221221171. The next prime is 103221221261. The reversal of 103221221211 is 112122122301.

103221221211 is a `hidden beast` number, since 10 + 3 + 221 + 221 + 211 = 666.

It is not a de Polignac number, because 103221221211 - 2⁷ = 103221221083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103221221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911504070 + ... + 1911504123.

It is an arithmetic number, because the mean of its divisors is an integer number (19115040970).

Almost surely, 2^103221221211 is an apocalyptic number.

103221221211 is a deficient number, since it is larger than the sum of its proper divisors (49699106549).

103221221211 is an equidigital number, since it uses as much as digits as its factorization.

103221221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823008202 (or 3823008196 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 103221221211 its reverse (112122122301), we get a palindrome (215343343512).

The spelling of 103221221211 in words is "one hundred three billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".