111202212221002 has 16 divisors (see below), whose sum is σ = 191423369472192. Its totient is φ = 47460339535680.

The previous prime is 111202212220949. The next prime is 111202212221003. The reversal of 111202212221002 is 200122212202111.

It is not an unprimeable number, because it can be changed into a prime (111202212221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16479281188 + ... + 16479287935.

It is an arithmetic number, because the mean of its divisors is an integer number (11963960592012).

Almost surely, 2^{111202212221002} is an apocalyptic number.

111202212221002 is a deficient number, since it is larger than the sum of its proper divisors (80221157251190).

111202212221002 is a wasteful number, since it uses less digits than its factorization.

111202212221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32958569373.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111202212221002 its reverse (200122212202111), we get a palindrome (311324424423113).

The spelling of 111202212221002 in words is "one hundred eleven trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, two".