30120213023011 has 4 divisors (see below), whose sum is σ = 30155277299800. Its totient is φ = 30085148746224.

The previous prime is 30120213022997. The next prime is 30120213023099. The reversal of 30120213023011 is 11032031202103.

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 30120213023011 - 2¹⁷ = 30120212891939 is a prime.

It is a super-2 number, since 2×30120213023011² (a number of 28 digits) contains 22 as substring.

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 30120213023011.

It is not an unprimeable number, because it can be changed into a prime (30120213093011) 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, 17532137106 + ... + 17532138823.

It is an arithmetic number, because the mean of its divisors is an integer number (7538819324950).

Almost surely, 2^{30120213023011} is an apocalyptic number.

30120213023011 is a deficient number, since it is larger than the sum of its proper divisors (35064276789).

30120213023011 is an equidigital number, since it uses as much as digits as its factorization.

30120213023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35064276788.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30120213023011 its reverse (11032031202103), we get a palindrome (41152244225114).

The spelling of 30120213023011 in words is "thirty trillion, one hundred twenty billion, two hundred thirteen million, twenty-three thousand, eleven".