30011001121 has 4 divisors (see below), whose sum is σ = 30018132144. Its totient is φ = 30003870100.

The previous prime is 30011001037. The next prime is 30011001157. The reversal of 30011001121 is 12110011003.

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 30011001121 - 2²³ = 30002612513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30011001098 and 30011001107.

It is not an unprimeable number, because it can be changed into a prime (30011005121) 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, 3559195 + ... + 3567616.

It is an arithmetic number, because the mean of its divisors is an integer number (7504533036).

Almost surely, 2^30011001121 is an apocalyptic number.

It is an amenable number.

30011001121 is a deficient number, since it is larger than the sum of its proper divisors (7131023).

30011001121 is an equidigital number, since it uses as much as digits as its factorization.

30011001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131022.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 30011001121 its reverse (12110011003), we get a palindrome (42121012124).

The spelling of 30011001121 in words is "thirty billion, eleven million, one thousand, one hundred twenty-one".