2130120001 has 4 divisors (see below), whose sum is σ = 2242231600. Its totient is φ = 2018008404.

The previous prime is 2130119989. The next prime is 2130120049. The reversal of 2130120001 is 1000210312.

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 2130120001 - 2⁵ = 2130119969 is a prime.

It is a super-2 number, since 2×2130120001² = 9074822437320480002, which 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 2130120001.

It is not an unprimeable number, because it can be changed into a prime (2130120101) 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, 56055771 + ... + 56055808.

It is an arithmetic number, because the mean of its divisors is an integer number (560557900).

Almost surely, 2^2130120001 is an apocalyptic number.

It is an amenable number.

2130120001 is a deficient number, since it is larger than the sum of its proper divisors (112111599).

2130120001 is a wasteful number, since it uses less digits than its factorization.

2130120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111598.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2130120001 is about 46153.2230835507. The cubic root of 2130120001 is about 1286.6725133817.

Adding to 2130120001 its reverse (1000210312), we get a palindrome (3130330313).

The spelling of 2130120001 in words is "two billion, one hundred thirty million, one hundred twenty thousand, one".