121202201112112 has 20 divisors (see below), whose sum is σ = 234854148836736. Its totient is φ = 60594678831680.

The previous prime is 121202201112107. The next prime is 121202201112143. The reversal of 121202201112112 is 211211102202121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121202201112112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401202064 + ... + 401504047.

Almost surely, 2^{121202201112112} is an apocalyptic number.

It is an amenable number.

121202201112112 is a deficient number, since it is larger than the sum of its proper divisors (113651947724624).

121202201112112 is an equidigital number, since it uses as much as digits as its factorization.

121202201112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802715556 (or 802715550 counting only the distinct ones).

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

Adding to 121202201112112 its reverse (211211102202121), we get a palindrome (332413303314233).

The spelling of 121202201112112 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred one million, one hundred twelve thousand, one hundred twelve".