111021000002 has 32 divisors (see below), whose sum is σ = 181996222464. Its totient is φ = 50373781200.

The previous prime is 111020999993. The next prime is 111021000007. The reversal of 111021000002 is 200000120111.

It is not an unprimeable number, because it can be changed into a prime (111021000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47302193 + ... + 47304539.

It is an arithmetic number, because the mean of its divisors is an integer number (5687381952).

Almost surely, 2^111021000002 is an apocalyptic number.

111021000002 is a deficient number, since it is larger than the sum of its proper divisors (70975222462).

111021000002 is a wasteful number, since it uses less digits than its factorization.

111021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 111021000002 its reverse (200000120111), we get a palindrome (311021120113).

The spelling of 111021000002 in words is "one hundred eleven billion, twenty-one million, two", and thus it is an aban number.