10211112200111 has 4 divisors (see below), whose sum is σ = 10267527184824. Its totient is φ = 10154697215400.

The previous prime is 10211112200077. The next prime is 10211112200137. The reversal of 10211112200111 is 11100221111201.

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-10211112200111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211112200171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28207492085 + ... + 28207492446.

It is an arithmetic number, because the mean of its divisors is an integer number (2566881796206).

Almost surely, 2^{10211112200111} is an apocalyptic number.

10211112200111 is a deficient number, since it is larger than the sum of its proper divisors (56414984713).

10211112200111 is an equidigital number, since it uses as much as digits as its factorization.

10211112200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56414984712.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10211112200111 its reverse (11100221111201), we get a palindrome (21311333311312).

The spelling of 10211112200111 in words is "ten trillion, two hundred eleven billion, one hundred twelve million, two hundred thousand, one hundred eleven".