111120221000002 has 8 divisors (see below), whose sum is σ = 167408193210300. Its totient is φ = 55317489929904.

The previous prime is 111120220999999. The next prime is 111120221000017. The reversal of 111120221000002 is 200000122021111.

It can be written as a sum of positive squares in 2 ways, for example, as 106223962863001 + 4896258137001 = 10306501^2 + 2212749^2 .

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, 121310284477 + ... + 121310285392.

Almost surely, 2^{111120221000002} is an apocalyptic number.

111120221000002 is a deficient number, since it is larger than the sum of its proper divisors (56287972210298).

111120221000002 is a wasteful number, since it uses less digits than its factorization.

111120221000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242620570100.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111120221000002 its reverse (200000122021111), we get a palindrome (311120343021113).

It can be divided in two parts, 111120 and 221000002, that added together give a palindrome (221111122).

The spelling of 111120221000002 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-one million, two", and thus it is an aban number.