121202021012122 has 8 divisors (see below), whose sum is σ = 181803112960500. Its totient is φ = 60600983358624.

The previous prime is 121202021012087. The next prime is 121202021012153. The reversal of 121202021012122 is 221210120202121.

It can be written as a sum of positive squares in 2 ways, for example, as 110301266958481 + 10900754053641 = 10502441^2 + 3301629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121202021012122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438347 + ... + 17254942.

Almost surely, 2^{121202021012122} is an apocalyptic number.

121202021012122 is a deficient number, since it is larger than the sum of its proper divisors (60601091948378).

121202021012122 is a wasteful number, since it uses less digits than its factorization.

121202021012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147440.

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

Adding to 121202021012122 its reverse (221210120202121), we get a palindrome (342412141214243).

The spelling of 121202021012122 in words is "one hundred twenty-one trillion, two hundred two billion, twenty-one million, twelve thousand, one hundred twenty-two".