111002012100111 has 16 divisors (see below), whose sum is σ = 167024971186560. Its totient is φ = 64954155460320.

The previous prime is 111002012100047. The next prime is 111002012100131. The reversal of 111002012100111 is 111001210200111.

It is not a de Polignac number, because 111002012100111 - 2⁶ = 111002012100047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002012100131) 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, 57994780705 + ... + 57994782618.

It is an arithmetic number, because the mean of its divisors is an integer number (10439060699160).

Almost surely, 2^{111002012100111} is an apocalyptic number.

111002012100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111002012100111 is a deficient number, since it is larger than the sum of its proper divisors (56022959086449).

111002012100111 is a wasteful number, since it uses less digits than its factorization.

111002012100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115989563366.

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

Adding to 111002012100111 its reverse (111001210200111), we get a palindrome (222003222300222).

The spelling of 111002012100111 in words is "one hundred eleven trillion, two billion, twelve million, one hundred thousand, one hundred eleven".