112121112202102 has 32 divisors (see below), whose sum is σ = 172931122082880. Its totient is φ = 54487698501120.

The previous prime is 112121112202091. The next prime is 112121112202129. The reversal of 112121112202102 is 201202211121211.

It is a happy number.

It is a super-2 number, since 2×112121112202102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121112202102.

It is a congruent 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, 632909863 + ... + 633086989.

It is an arithmetic number, because the mean of its divisors is an integer number (5404097565090).

Almost surely, 2^{112121112202102} is an apocalyptic number.

112121112202102 is a deficient number, since it is larger than the sum of its proper divisors (60810009880778).

112121112202102 is a wasteful number, since it uses less digits than its factorization.

112121112202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206136.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112121112202102 its reverse (201202211121211), we get a palindrome (313323323323313).

The spelling of 112121112202102 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred two".