1111121211141 has 12 divisors (see below), whose sum is σ = 1605775516800. Its totient is φ = 740367786600.

The previous prime is 1111121211127. The next prime is 1111121211143. The reversal of 1111121211141 is 1411121211111.

It is not a de Polignac number, because 1111121211141 - 2¹⁹ = 1111120686853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111121211143) 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, 31622091 + ... + 31657208.

It is an arithmetic number, because the mean of its divisors is an integer number (133814626400).

Almost surely, 2^{1111121211141} is an apocalyptic number.

It is an amenable number.

1111121211141 is a deficient number, since it is larger than the sum of its proper divisors (494654305659).

1111121211141 is a wasteful number, since it uses less digits than its factorization.

1111121211141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63281256 (or 63281253 counting only the distinct ones).

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

Adding to 1111121211141 its reverse (1411121211111), we get a palindrome (2522242422252).

The spelling of 1111121211141 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, two hundred eleven thousand, one hundred forty-one".