211201012113 has 64 divisors (see below), whose sum is σ = 354735360000. Its totient is φ = 111063839040.

The previous prime is 211201012111. The next prime is 211201012147. The reversal of 211201012113 is 311210102112.

It is not a de Polignac number, because 211201012113 - 2¹ = 211201012111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211201012092 and 211201012101.

It is not an unprimeable number, because it can be changed into a prime (211201012111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4403938 + ... + 4451636.

It is an arithmetic number, because the mean of its divisors is an integer number (5542740000).

Almost surely, 2^211201012113 is an apocalyptic number.

It is an amenable number.

211201012113 is a deficient number, since it is larger than the sum of its proper divisors (143534347887).

211201012113 is a wasteful number, since it uses less digits than its factorization.

211201012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48067 (or 48053 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211201012113 its reverse (311210102112), we get a palindrome (522411114225).

The spelling of 211201012113 in words is "two hundred eleven billion, two hundred one million, twelve thousand, one hundred thirteen".