1011111121411 has 8 divisors (see below), whose sum is σ = 1023132708864. Its totient is φ = 999152973000.

The previous prime is 1011111121399. The next prime is 1011111121429. The reversal of 1011111121411 is 1141211111101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011111121411 - 2¹¹ = 1011111119363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011111121441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15827695 + ... + 15891448.

It is an arithmetic number, because the mean of its divisors is an integer number (127891588608).

Almost surely, 2^{1011111121411} is an apocalyptic number.

1011111121411 is a deficient number, since it is larger than the sum of its proper divisors (12021587453).

1011111121411 is a wasteful number, since it uses less digits than its factorization.

1011111121411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31719521.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 1011111121411 its reverse (1141211111101), we get a palindrome (2152322232512).

The spelling of 1011111121411 in words is "one trillion, eleven billion, one hundred eleven million, one hundred twenty-one thousand, four hundred eleven".