1000010012111 has 16 divisors (see below), whose sum is σ = 1099530724128. Its totient is φ = 901941955200.

The previous prime is 1000010012093. The next prime is 1000010012173. The reversal of 1000010012111 is 1112100100001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1000010012111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000010012411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703541 + ... + 1579553.

It is an arithmetic number, because the mean of its divisors is an integer number (68720670258).

Almost surely, 2^{1000010012111} is an apocalyptic number.

1000010012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000010012111 is a deficient number, since it is larger than the sum of its proper divisors (99520712017).

1000010012111 is a wasteful number, since it uses less digits than its factorization.

1000010012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876842.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1000010012111 its reverse (1112100100001), we get a palindrome (2112110112112).

The spelling of 1000010012111 in words is "one trillion, ten million, twelve thousand, one hundred eleven".