2120203011 has 16 divisors (see below), whose sum is σ = 2858484384. Its totient is φ = 1397720064.

The previous prime is 2120202983. The next prime is 2120203031. The reversal of 2120203011 is 1103020212.

It is not a de Polignac number, because 2120203011 - 2¹⁵ = 2120170243 is a prime.

It is a super-2 number, since 2×2120203011² = 8990521615706932242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120203031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467125 + ... + 471641.

It is an arithmetic number, because the mean of its divisors is an integer number (178655274).

Almost surely, 2^2120203011 is an apocalyptic number.

2120203011 is a deficient number, since it is larger than the sum of its proper divisors (738281373).

2120203011 is a wasteful number, since it uses less digits than its factorization.

2120203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120203011 is about 46045.6622386952. The cubic root of 2120203011 is about 1284.6726618058.

Adding to 2120203011 its reverse (1103020212), we get a palindrome (3223223223).

The spelling of 2120203011 in words is "two billion, one hundred twenty million, two hundred three thousand, eleven".