111001020002 has 8 divisors (see below), whose sum is σ = 166525832556. Its totient is φ = 55492409152.

The previous prime is 111001019999. The next prime is 111001020023. The reversal of 111001020002 is 200020100111.

It can be written as a sum of positive squares in 2 ways, for example, as 85538115961 + 25462904041 = 292469^2 + 159571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4033283 + ... + 4060710.

Almost surely, 2^111001020002 is an apocalyptic number.

111001020002 is a deficient number, since it is larger than the sum of its proper divisors (55524812554).

111001020002 is an equidigital number, since it uses as much as digits as its factorization.

111001020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100852.

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

Adding to 111001020002 its reverse (200020100111), we get a palindrome (311021120113).

The spelling of 111001020002 in words is "one hundred eleven billion, one million, twenty thousand, two".