111002011221212 has 24 divisors (see below), whose sum is σ = 205680575756880. Its totient is φ = 52236144449280.

The previous prime is 111002011221209. The next prime is 111002011221287. The reversal of 111002011221212 is 212122110200111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47293262 + ... + 49584842.

It is an arithmetic number, because the mean of its divisors is an integer number (8570023989870).

Almost surely, 2^{111002011221212} is an apocalyptic number.

It is an amenable number.

111002011221212 is a deficient number, since it is larger than the sum of its proper divisors (94678564535668).

111002011221212 is a wasteful number, since it uses less digits than its factorization.

111002011221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003941 (or 3003939 counting only the distinct ones).

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

Adding to 111002011221212 its reverse (212122110200111), we get a palindrome (323124121421323).

The spelling of 111002011221212 in words is "one hundred eleven trillion, two billion, eleven million, two hundred twenty-one thousand, two hundred twelve".