103303311211221 has 32 divisors (see below), whose sum is σ = 153226084603392. Its totient is φ = 61373964375360.

The previous prime is 103303311211207. The next prime is 103303311211231. The reversal of 103303311211221 is 122112113303301.

It is not a de Polignac number, because 103303311211221 - 2¹¹ = 103303311209173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103303311211191 and 103303311211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303311211231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23358955 + ... + 27427128.

It is an arithmetic number, because the mean of its divisors is an integer number (4788315143856).

Almost surely, 2^{103303311211221} is an apocalyptic number.

103303311211221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103303311211221 is a deficient number, since it is larger than the sum of its proper divisors (49922773392171).

103303311211221 is a wasteful number, since it uses less digits than its factorization.

103303311211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50787313.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 103303311211221 its reverse (122112113303301), we get a palindrome (225415424514522).

The spelling of 103303311211221 in words is "one hundred three trillion, three hundred three billion, three hundred eleven million, two hundred eleven thousand, two hundred twenty-one".