11100212202111 has 4 divisors (see below), whose sum is σ = 14800282936152. Its totient is φ = 7400141468072.

The previous prime is 11100212202097. The next prime is 11100212202119. The reversal of 11100212202111 is 11120221200111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11100212202111 - 2⁷ = 11100212201983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100212202119) 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, 1850035367016 + ... + 1850035367021.

It is an arithmetic number, because the mean of its divisors is an integer number (3700070734038).

Almost surely, 2^{11100212202111} is an apocalyptic number.

11100212202111 is a deficient number, since it is larger than the sum of its proper divisors (3700070734041).

11100212202111 is an equidigital number, since it uses as much as digits as its factorization.

11100212202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700070734040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11100212202111 its reverse (11120221200111), we get a palindrome (22220433402222).

The spelling of 11100212202111 in words is "eleven trillion, one hundred billion, two hundred twelve million, two hundred two thousand, one hundred eleven".