11000212122111 has 12 divisors (see below), whose sum is σ = 14707023371352. Its totient is φ = 7313492259408.

The previous prime is 11000212122091. The next prime is 11000212122113. The reversal of 11000212122111 is 11122121200011.

It is a happy number.

It is not a de Polignac number, because 11000212122111 - 2⁶ = 11000212122047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000212122113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13207800 + ... + 14015933.

It is an arithmetic number, because the mean of its divisors is an integer number (1225585280946).

Almost surely, 2^{11000212122111} is an apocalyptic number.

11000212122111 is a deficient number, since it is larger than the sum of its proper divisors (3706811249241).

11000212122111 is an frugal number, since it uses more digits than its factorization.

11000212122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27224470 (or 27224103 counting only the distinct ones).

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

Adding to 11000212122111 its reverse (11122121200011), we get a palindrome (22122333322122).

The spelling of 11000212122111 in words is "eleven trillion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".