111012102102001 has 32 divisors (see below), whose sum is σ = 113410986264576. Its totient is φ = 108640046592000.

The previous prime is 111012102101963. The next prime is 111012102102007. The reversal of 111012102102001 is 100201201210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012102102001 - 2²³ = 111012093713393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012102102007) 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, 7883815281 + ... + 7883829361.

It is an arithmetic number, because the mean of its divisors is an integer number (3544093320768).

Almost surely, 2^{111012102102001} is an apocalyptic number.

It is an amenable number.

111012102102001 is a deficient number, since it is larger than the sum of its proper divisors (2398884162575).

111012102102001 is a wasteful number, since it uses less digits than its factorization.

111012102102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111012102102001 its reverse (100201201210111), we get a palindrome (211213303312112).

The spelling of 111012102102001 in words is "one hundred eleven trillion, twelve billion, one hundred two million, one hundred two thousand, one".