2111020203 has 16 divisors (see below), whose sum is σ = 2981404800. Its totient is φ = 1324054656.

The previous prime is 2111020187. The next prime is 2111020207. The reversal of 2111020203 is 3020201112.

It is not a de Polignac number, because 2111020203 - 2⁴ = 2111020187 is a prime.

It is a super-2 number, since 2×2111020203² = 8912812594948322418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111020207) 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, 161976 + ... + 174522.

It is an arithmetic number, because the mean of its divisors is an integer number (186337800).

Almost surely, 2^2111020203 is an apocalyptic number.

2111020203 is a deficient number, since it is larger than the sum of its proper divisors (870384597).

2111020203 is a wasteful number, since it uses less digits than its factorization.

2111020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15866.

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

The square root of 2111020203 is about 45945.8398878506. The cubic root of 2111020203 is about 1282.8152964787.

Adding to 2111020203 its reverse (3020201112), we get a palindrome (5131221315).

The spelling of 2111020203 in words is "two billion, one hundred eleven million, twenty thousand, two hundred three".