30402141121 has 4 divisors (see below), whose sum is σ = 33165972144. Its totient is φ = 27638310100.

The previous prime is 30402141061. The next prime is 30402141163. The reversal of 30402141121 is 12114120403.

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 30402141121 - 2³³ = 21812206529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30402144121) 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, 1381915495 + ... + 1381915516.

It is an arithmetic number, because the mean of its divisors is an integer number (8291493036).

Almost surely, 2^30402141121 is an apocalyptic number.

It is an amenable number.

30402141121 is a deficient number, since it is larger than the sum of its proper divisors (2763831023).

30402141121 is a wasteful number, since it uses less digits than its factorization.

30402141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763831022.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 30402141121 its reverse (12114120403), we get a palindrome (42516261524).

The spelling of 30402141121 in words is "thirty billion, four hundred two million, one hundred forty-one thousand, one hundred twenty-one".