103010311221 has 16 divisors (see below), whose sum is σ = 139778472960. Its totient is φ = 67467090800.

The previous prime is 103010311189. The next prime is 103010311259. The reversal of 103010311221 is 122113010301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103010311221 - 2⁵ = 103010311189 is a prime.

It is a super-2 number, since 2×103010311221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103010311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103010311291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111005 + ... + 1200146.

It is an arithmetic number, because the mean of its divisors is an integer number (8736154560).

Almost surely, 2^103010311221 is an apocalyptic number.

It is an amenable number.

103010311221 is a deficient number, since it is larger than the sum of its proper divisors (36768161739).

103010311221 is a wasteful number, since it uses less digits than its factorization.

103010311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311416.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103010311221 its reverse (122113010301), we get a palindrome (225123321522).

The spelling of 103010311221 in words is "one hundred three billion, ten million, three hundred eleven thousand, two hundred twenty-one".