1111121114211 has 24 divisors (see below), whose sum is σ = 1606261889856. Its totient is φ = 740143422720.

The previous prime is 1111121114183. The next prime is 1111121114287. The reversal of 1111121114211 is 1124111211111.

1111121114211 is a `hidden beast` number, since 1 + 111 + 121 + 11 + 421 + 1 = 666.

It is not a de Polignac number, because 1111121114211 - 2⁹ = 1111121113699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111121115211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80620141 + ... + 80633921.

It is an arithmetic number, because the mean of its divisors is an integer number (66927578744).

Almost surely, 2^{1111121114211} is an apocalyptic number.

1111121114211 is a deficient number, since it is larger than the sum of its proper divisors (495140775645).

1111121114211 is a wasteful number, since it uses less digits than its factorization.

1111121114211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443 (or 20440 counting only the distinct ones).

The product of its digits is 16, while the sum is 18.

Adding to 1111121114211 its reverse (1124111211111), we get a palindrome (2235232325322).

The spelling of 1111121114211 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred fourteen thousand, two hundred eleven".