20211113210 has 32 divisors (see below), whose sum is σ = 36634695552. Its totient is φ = 8027945920.

The previous prime is 20211113203. The next prime is 20211113243. The reversal of 20211113210 is 1231111202.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1816424 + ... + 1827516.

It is an arithmetic number, because the mean of its divisors is an integer number (1144834236).

Almost surely, 2^20211113210 is an apocalyptic number.

20211113210 is a deficient number, since it is larger than the sum of its proper divisors (16423582342).

20211113210 is a wasteful number, since it uses less digits than its factorization.

20211113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20211113210 its reverse (1231111202), we get a palindrome (21442224412).

The spelling of 20211113210 in words is "twenty billion, two hundred eleven million, one hundred thirteen thousand, two hundred ten".