2120003011 has 8 divisors (see below), whose sum is σ = 2423204864. Its totient is φ = 1816887240.

The previous prime is 2120002981. The next prime is 2120003063. The reversal of 2120003011 is 1103000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120003011 - 2²³ = 2111614403 is a prime.

It is a super-2 number, since 2×2120003011² = 8988825533298132242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44956 + ... + 79126.

It is an arithmetic number, because the mean of its divisors is an integer number (302900608).

Almost surely, 2^2120003011 is an apocalyptic number.

2120003011 is a deficient number, since it is larger than the sum of its proper divisors (303201853).

2120003011 is an equidigital number, since it uses as much as digits as its factorization.

2120003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43041.

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

The square root of 2120003011 is about 46043.4904302443. The cubic root of 2120003011 is about 1284.6322658924.

Adding to 2120003011 its reverse (1103000212), we get a palindrome (3223003223).

The spelling of 2120003011 in words is "two billion, one hundred twenty million, three thousand, eleven".