30112100001 has 24 divisors (see below), whose sum is σ = 45116373120. Its totient is φ = 20070202032.

The previous prime is 30112099999. The next prime is 30112100003. The reversal of 30112100001 is 10000121103.

It is an interprime number because it is at equal distance from previous prime (30112099999) and next prime (30112100003).

It is not a de Polignac number, because 30112100001 - 2¹ = 30112099999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30112100003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1329891 + ... + 1352343.

It is an arithmetic number, because the mean of its divisors is an integer number (1879848880).

Almost surely, 2^30112100001 is an apocalyptic number.

It is an amenable number.

30112100001 is a deficient number, since it is larger than the sum of its proper divisors (15004273119).

30112100001 is an equidigital number, since it uses as much as digits as its factorization.

30112100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27987 (or 27975 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30112100001 its reverse (10000121103), we get a palindrome (40112221104).

It can be divided in two parts, 3011 and 2100001, that added together give a palindrome (2103012).

The spelling of 30112100001 in words is "thirty billion, one hundred twelve million, one hundred thousand, one".