30002121133 has 4 divisors (see below), whose sum is σ = 31581180160. Its totient is φ = 28423062108.

The previous prime is 30002121119. The next prime is 30002121139. The reversal of 30002121133 is 33112120003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30002121133 - 2³³ = 21412186541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002121139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789529485 + ... + 789529522.

It is an arithmetic number, because the mean of its divisors is an integer number (7895295040).

Almost surely, 2^30002121133 is an apocalyptic number.

It is an amenable number.

30002121133 is a deficient number, since it is larger than the sum of its proper divisors (1579059027).

30002121133 is a wasteful number, since it uses less digits than its factorization.

30002121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579059026.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30002121133 its reverse (33112120003), we get a palindrome (63114241136).

The spelling of 30002121133 in words is "thirty billion, two million, one hundred twenty-one thousand, one hundred thirty-three".