1121111200011 has 16 divisors (see below), whose sum is σ = 1674780369408. Its totient is φ = 661097512800.

The previous prime is 1121111200007. The next prime is 1121111200019. The reversal of 1121111200011 is 1100021111211.

It is not a de Polignac number, because 1121111200011 - 2² = 1121111200007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121111200011.

It is not an unprimeable number, because it can be changed into a prime (1121111200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459094275 + ... + 459096716.

It is an arithmetic number, because the mean of its divisors is an integer number (104673773088).

Almost surely, 2^{1121111200011} is an apocalyptic number.

1121111200011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121111200011 is a deficient number, since it is larger than the sum of its proper divisors (553669169397).

1121111200011 is a wasteful number, since it uses less digits than its factorization.

1121111200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918191042.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121111200011 its reverse (1100021111211), we get a palindrome (2221132311222).

The spelling of 1121111200011 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thousand, eleven".