112121211212102 has 16 divisors (see below), whose sum is σ = 168624202125312. Its totient is φ = 55913149511880.

The previous prime is 112121211212057. The next prime is 112121211212167. The reversal of 112121211212102 is 201212112121211.

It is a happy number.

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, 38874077 + ... + 41658567.

It is an arithmetic number, because the mean of its divisors is an integer number (10539012632832).

Almost surely, 2^{112121211212102} is an apocalyptic number.

112121211212102 is a deficient number, since it is larger than the sum of its proper divisors (56502990913210).

112121211212102 is a wasteful number, since it uses less digits than its factorization.

112121211212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837443.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112121211212102 its reverse (201212112121211), we get a palindrome (313333323333313).

The spelling of 112121211212102 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, one hundred two".