30110121 has 12 divisors (see below), whose sum is σ = 43900272. Its totient is φ = 19885176.

The previous prime is 30110107. The next prime is 30110137. The reversal of 30110121 is 12101103.

It is not a de Polignac number, because 30110121 - 2⁵ = 30110089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30110141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14671 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (3658356).

Almost surely, 2^30110121 is an apocalyptic number.

It is an amenable number.

30110121 is a deficient number, since it is larger than the sum of its proper divisors (13790151).

30110121 is a wasteful number, since it uses less digits than its factorization.

30110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31380 (or 31377 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 30110121 is about 5487.2689928597. The cubic root of 30110121 is about 311.1029769651.

Adding to 30110121 its reverse (12101103), we get a palindrome (42211224).

The spelling of 30110121 in words is "thirty million, one hundred ten thousand, one hundred twenty-one".