30103310121 has 16 divisors (see below), whose sum is σ = 40220098560. Its totient is φ = 20027742480.

The previous prime is 30103310119. The next prime is 30103310123. The reversal of 30103310121 is 12101330103.

It is an interprime number because it is at equal distance from previous prime (30103310119) and next prime (30103310123).

It is not a de Polignac number, because 30103310121 - 2¹ = 30103310119 is a prime.

It is a super-2 number, since 2×30103310121² (a number of 22 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 30103310121.

It is not an unprimeable number, because it can be changed into a prime (30103310123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306786 + ... + 3315876.

It is an arithmetic number, because the mean of its divisors is an integer number (2513756160).

Almost surely, 2^30103310121 is an apocalyptic number.

It is an amenable number.

30103310121 is a deficient number, since it is larger than the sum of its proper divisors (10116788439).

30103310121 is a wasteful number, since it uses less digits than its factorization.

30103310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30103310121 its reverse (12101330103), we get a palindrome (42204640224).

The spelling of 30103310121 in words is "thirty billion, one hundred three million, three hundred ten thousand, one hundred twenty-one".