30010032021121 has 4 divisors (see below), whose sum is σ = 30020948732500. Its totient is φ = 29999115309744.

The previous prime is 30010032021119. The next prime is 30010032021133. The reversal of 30010032021121 is 12112023001003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19032837176896 + 10977194844225 = 4362664^2 + 3313185^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010032021121 - 2¹ = 30010032021119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010032021095 and 30010032021104.

It is not an unprimeable number, because it can be changed into a prime (30010032051121) 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, 5458351566 + ... + 5458357063.

It is an arithmetic number, because the mean of its divisors is an integer number (7505237183125).

Almost surely, 2^{30010032021121} is an apocalyptic number.

It is an amenable number.

30010032021121 is a deficient number, since it is larger than the sum of its proper divisors (10916711379).

30010032021121 is a wasteful number, since it uses less digits than its factorization.

30010032021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916711378.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30010032021121 its reverse (12112023001003), we get a palindrome (42122055022124).

The spelling of 30010032021121 in words is "thirty trillion, ten billion, thirty-two million, twenty-one thousand, one hundred twenty-one".