2120103011 has 32 divisors (see below), whose sum is σ = 2450595840. Its totient is φ = 1817904384.

The previous prime is 2120103001. The next prime is 2120103061. The reversal of 2120103011 is 1103010212.

It is a cyclic number.

It is not a de Polignac number, because 2120103011 - 2¹⁰ = 2120101987 is a prime.

It is a super-2 number, since 2×2120103011² = 8989673554502532242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120102983 and 2120103001.

It is not an unprimeable number, because it can be changed into a prime (2120103001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5535326 + ... + 5535708.

It is an arithmetic number, because the mean of its divisors is an integer number (76581120).

Almost surely, 2^2120103011 is an apocalyptic number.

2120103011 is a deficient number, since it is larger than the sum of its proper divisors (330492829).

2120103011 is a wasteful number, since it uses less digits than its factorization.

2120103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

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

The square root of 2120103011 is about 46044.5763472746. The cubic root of 2120103011 is about 1284.6524641666.

Adding to 2120103011 its reverse (1103010212), we get a palindrome (3223113223).

The spelling of 2120103011 in words is "two billion, one hundred twenty million, one hundred three thousand, eleven".