111211210102002 has 32 divisors (see below), whose sum is σ = 225494326687488. Its totient is φ = 36558531674496.

The previous prime is 111211210101931. The next prime is 111211210102021. The reversal of 111211210102002 is 200201012112111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10137898 + ... + 18033285.

It is an arithmetic number, because the mean of its divisors is an integer number (7046697708984).

Almost surely, 2^{111211210102002} is an apocalyptic number.

111211210102002 is an abundant number, since it is smaller than the sum of its proper divisors (114283116585486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211210102002 is a wasteful number, since it uses less digits than its factorization.

111211210102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28180274.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111211210102002 its reverse (200201012112111), we get a palindrome (311412222214113).

The spelling of 111211210102002 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, one hundred two thousand, two".