111011120012001 has 32 divisors (see below), whose sum is σ = 164877412030848. Its totient is φ = 65873466224640.

The previous prime is 111011120011963. The next prime is 111011120012063. The reversal of 111011120012001 is 100210021110111.

It is not a de Polignac number, because 111011120012001 - 2⁹ = 111011120011489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111011120012801) 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, 167851816 + ... + 168511881.

It is an arithmetic number, because the mean of its divisors is an integer number (5152419125964).

Almost surely, 2^{111011120012001} is an apocalyptic number.

111011120012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111011120012001 is a deficient number, since it is larger than the sum of its proper divisors (53866292018847).

111011120012001 is a wasteful number, since it uses less digits than its factorization.

111011120012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336363921.

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

Adding to 111011120012001 its reverse (100210021110111), we get a palindrome (211221141122112).

It can be divided in two parts, 1110111 and 20012001, that added together give a palindrome (21122112).

The spelling of 111011120012001 in words is "one hundred eleven trillion, eleven billion, one hundred twenty million, twelve thousand, one".