1111012002111 has 32 divisors (see below), whose sum is σ = 1785471994368. Its totient is φ = 606178749440.

The previous prime is 1111012002053. The next prime is 1111012002131. The reversal of 1111012002111 is 1112002101111.

It is not a de Polignac number, because 1111012002111 - 2²¹ = 1111009904959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111012002131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43039566 + ... + 43065371.

It is an arithmetic number, because the mean of its divisors is an integer number (55795999824).

Almost surely, 2^{1111012002111} is an apocalyptic number.

1111012002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111012002111 is a deficient number, since it is larger than the sum of its proper divisors (674459992257).

1111012002111 is a wasteful number, since it uses less digits than its factorization.

1111012002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86104991.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111012002111 its reverse (1112002101111), we get a palindrome (2223014103222).

The spelling of 1111012002111 in words is "one trillion, one hundred eleven billion, twelve million, two thousand, one hundred eleven".