1111120121211 has 8 divisors (see below), whose sum is σ = 1481503709520. Its totient is φ = 740741640192.

The previous prime is 1111120121207. The next prime is 1111120121213. The reversal of 1111120121211 is 1121210211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111120121211 - 2² = 1111120121207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111120121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736530 + ... + 1662743.

It is an arithmetic number, because the mean of its divisors is an integer number (185187963690).

Almost surely, 2^{1111120121211} is an apocalyptic number.

1111120121211 is a deficient number, since it is larger than the sum of its proper divisors (370383588309).

1111120121211 is a wasteful number, since it uses less digits than its factorization.

1111120121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553645.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111120121211 its reverse (1121210211111), we get a palindrome (2232330332322).

The spelling of 1111120121211 in words is "one trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".