2103001011 has 12 divisors (see below), whose sum is σ = 3054640680. Its totient is φ = 1394167200.

The previous prime is 2103001007. The next prime is 2103001039. The reversal of 2103001011 is 1101003012.

It is not a de Polignac number, because 2103001011 - 2² = 2103001007 is a prime.

It is a super-2 number, since 2×2103001011² = 8845226504534044242, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2103000984 and 2103001002.

It is not an unprimeable number, because it can be changed into a prime (2103001051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651090 + ... + 654311.

It is an arithmetic number, because the mean of its divisors is an integer number (254553390).

Almost surely, 2^2103001011 is an apocalyptic number.

2103001011 is a deficient number, since it is larger than the sum of its proper divisors (951639669).

2103001011 is a wasteful number, since it uses less digits than its factorization.

2103001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305586 (or 1305583 counting only the distinct ones).

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

The square root of 2103001011 is about 45858.4889742346. The cubic root of 2103001011 is about 1281.1888797463.

Adding to 2103001011 its reverse (1101003012), we get a palindrome (3204004023).

The spelling of 2103001011 in words is "two billion, one hundred three million, one thousand, eleven".