111121221012002 has 16 divisors (see below), whose sum is σ = 167697733371840. Its totient is φ = 55222047217968.

The previous prime is 111121221012001. The next prime is 111121221012017. The reversal of 111121221012002 is 200210122121111.

It is not an unprimeable number, because it can be changed into a prime (111121221012001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14515073 + ... + 20806964.

It is an arithmetic number, because the mean of its divisors is an integer number (10481108335740).

Almost surely, 2^{111121221012002} is an apocalyptic number.

111121221012002 is a deficient number, since it is larger than the sum of its proper divisors (56576512359838).

111121221012002 is a wasteful number, since it uses less digits than its factorization.

111121221012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35331625.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121221012002 its reverse (200210122121111), we get a palindrome (311331343133113).

The spelling of 111121221012002 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, twelve thousand, two".