30122001011 has 4 divisors (see below), whose sum is σ = 30122866224. Its totient is φ = 30121135800.

The previous prime is 30122000989. The next prime is 30122001047. The reversal of 30122001011 is 11010022103.

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 30122001011 - 2³⁰ = 29048259187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30122000983 and 30122001001.

It is not an unprimeable number, because it can be changed into a prime (30122001071) 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, 378095 + ... + 450776.

It is an arithmetic number, because the mean of its divisors is an integer number (7530716556).

Almost surely, 2^30122001011 is an apocalyptic number.

30122001011 is a deficient number, since it is larger than the sum of its proper divisors (865213).

30122001011 is an equidigital number, since it uses as much as digits as its factorization.

30122001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865212.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30122001011 its reverse (11010022103), we get a palindrome (41132023114).

The spelling of 30122001011 in words is "thirty billion, one hundred twenty-two million, one thousand, eleven".