121202102220112 has 40 divisors (see below), whose sum is σ = 234950354793000. Its totient is φ = 60569757007872.

The previous prime is 121202102220083. The next prime is 121202102220127. The reversal of 121202102220112 is 211022201202121.

It can be written as a sum of positive squares in 4 ways, for example, as 55887645446416 + 65314456773696 = 7475804^2 + 8081736^2 .

It is a super-3 number, since 3×121202102220112³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121202102220112.

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, 464514264 + ... + 464775112.

It is an arithmetic number, because the mean of its divisors is an integer number (5873758869825).

Almost surely, 2^{121202102220112} is an apocalyptic number.

It is an amenable number.

121202102220112 is a deficient number, since it is larger than the sum of its proper divisors (113748252572888).

121202102220112 is a wasteful number, since it uses less digits than its factorization.

121202102220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275743 (or 275737 counting only the distinct ones).

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

Adding to 121202102220112 its reverse (211022201202121), we get a palindrome (332224303422233).

The spelling of 121202102220112 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred two million, two hundred twenty thousand, one hundred twelve".