1111121040006 has 48 divisors (see below), whose sum is σ = 2436982539264. Its totient is φ = 365828979312.

The previous prime is 1111121039999. The next prime is 1111121040017. The reversal of 1111121040006 is 6000401211111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6741675 + ... + 6904521.

It is an arithmetic number, because the mean of its divisors is an integer number (50770469568).

Almost surely, 2^{1111121040006} is an apocalyptic number.

1111121040006 is an abundant number, since it is smaller than the sum of its proper divisors (1325861499258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111121040006 is a wasteful number, since it uses less digits than its factorization.

1111121040006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167505 (or 167502 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1111121040006 its reverse (6000401211111), we get a palindrome (7111522251117).

The spelling of 1111121040006 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, forty thousand, six".