30120133121011 has 4 divisors (see below), whose sum is σ = 30120215283432. Its totient is φ = 30120050958592.

The previous prime is 30120133120999. The next prime is 30120133121051. The reversal of 30120133121011 is 11012133102103.

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

It is a cyclic number.

It is not a de Polignac number, because 30120133121011 - 2¹⁷ = 30120132989939 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 30120133121011.

It is not an unprimeable number, because it can be changed into a prime (30120133121051) 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, 40528846 + ... + 41265331.

It is an arithmetic number, because the mean of its divisors is an integer number (7530053820858).

Almost surely, 2^{30120133121011} is an apocalyptic number.

30120133121011 is a deficient number, since it is larger than the sum of its proper divisors (82162421).

30120133121011 is an equidigital number, since it uses as much as digits as its factorization.

30120133121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82162420.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 30120133121011 its reverse (11012133102103), we get a palindrome (41132266223114).

The spelling of 30120133121011 in words is "thirty trillion, one hundred twenty billion, one hundred thirty-three million, one hundred twenty-one thousand, eleven".