121222110201042 has 8 divisors (see below), whose sum is σ = 242444220402096. Its totient is φ = 40407370067012.

The previous prime is 121222110201041. The next prime is 121222110201061. The reversal of 121222110201042 is 240102011222121.

121222110201042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

121222110201042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121222110201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10101842516748 + ... + 10101842516759.

It is an arithmetic number, because the mean of its divisors is an integer number (30305527550262).

Almost surely, 2^{121222110201042} is an apocalyptic number.

121222110201042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121222110201042 is a wasteful number, since it uses less digits than its factorization.

121222110201042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20203685033512.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121222110201042 its reverse (240102011222121), we get a palindrome (361324121423163).

The spelling of 121222110201042 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, two hundred one thousand, forty-two".