111202021010001 has 16 divisors (see below), whose sum is σ = 148496025726720. Its totient is φ = 74021432039040.

The previous prime is 111202021009991. The next prime is 111202021010147. The reversal of 111202021010001 is 100010120202111.

It is not a de Polignac number, because 111202021010001 - 2⁵ = 111202021009969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111202021011001) 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, 5118930 + ... + 15767291.

It is an arithmetic number, because the mean of its divisors is an integer number (9281001607920).

Almost surely, 2^{111202021010001} is an apocalyptic number.

It is an amenable number.

111202021010001 is a deficient number, since it is larger than the sum of its proper divisors (37294004716719).

111202021010001 is a wasteful number, since it uses less digits than its factorization.

111202021010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888936.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111202021010001 its reverse (100010120202111), we get a palindrome (211212141212112).

The spelling of 111202021010001 in words is "one hundred eleven trillion, two hundred two billion, twenty-one million, ten thousand, one".