10211012200111 has 4 divisors (see below), whose sum is σ = 10354829273424. Its totient is φ = 10067195126800.

The previous prime is 10211012200093. The next prime is 10211012200133. The reversal of 10211012200111 is 11100221011201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211012200111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211012200091 and 10211012200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211012200511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71908536550 + ... + 71908536691.

It is an arithmetic number, because the mean of its divisors is an integer number (2588707318356).

Almost surely, 2^{10211012200111} is an apocalyptic number.

10211012200111 is a deficient number, since it is larger than the sum of its proper divisors (143817073313).

10211012200111 is an equidigital number, since it uses as much as digits as its factorization.

10211012200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143817073312.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211012200111 its reverse (11100221011201), we get a palindrome (21311233211312).

The spelling of 10211012200111 in words is "ten trillion, two hundred eleven billion, twelve million, two hundred thousand, one hundred eleven".