30133121201 has 4 divisors (see below), whose sum is σ = 30133472100. Its totient is φ = 30132770304.

The previous prime is 30133121191. The next prime is 30133121209. The reversal of 30133121201 is 10212133103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 15544104976 + 14589016225 = 124676^2 + 120785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30133121201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30133121201.

It is not an unprimeable number, because it can be changed into a prime (30133121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49505 + ... + 250433.

It is an arithmetic number, because the mean of its divisors is an integer number (7533368025).

Almost surely, 2^30133121201 is an apocalyptic number.

It is an amenable number.

30133121201 is a deficient number, since it is larger than the sum of its proper divisors (350899).

30133121201 is a wasteful number, since it uses less digits than its factorization.

30133121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350898.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30133121201 its reverse (10212133103), we get a palindrome (40345254304).

The spelling of 30133121201 in words is "thirty billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred one".