121202221120112 has 40 divisors (see below), whose sum is σ = 256193176253952. Its totient is φ = 55088530660800.

The previous prime is 121202221120103. The next prime is 121202221120129. The reversal of 121202221120112 is 211021122202121.

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, 18304064 + ... + 24030047.

Almost surely, 2^{121202221120112} is an apocalyptic number.

It is an amenable number.

121202221120112 is an abundant number, since it is smaller than the sum of its proper divisors (134990955133840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202221120112 is a wasteful number, since it uses less digits than its factorization.

121202221120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42350397 (or 42350391 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121202221120112 its reverse (211021122202121), we get a palindrome (332223343322233).

The spelling of 121202221120112 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twelve".