111211202122002 has 16 divisors (see below), whose sum is σ = 247136004715680. Its totient is φ = 37070400707316.

The previous prime is 111211202122001. The next prime is 111211202122019. The reversal of 111211202122002 is 200221202112111.

111211202122002 is a `hidden beast` number, since 11 + 121 + 120 + 212 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111211202122001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1029733352928 + ... + 1029733353035.

It is an arithmetic number, because the mean of its divisors is an integer number (15446000294730).

Almost surely, 2^{111211202122002} is an apocalyptic number.

111211202122002 is an abundant number, since it is smaller than the sum of its proper divisors (135924802593678).

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

111211202122002 is a wasteful number, since it uses less digits than its factorization.

111211202122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059466705974 (or 2059466705968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111211202122002 its reverse (200221202112111), we get a palindrome (311432404234113).

The spelling of 111211202122002 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two".