121202210122 has 16 divisors (see below), whose sum is σ = 210701630592. Its totient is φ = 51212201040.

The previous prime is 121202210117. The next prime is 121202210149. The reversal of 121202210122 is 221012202121.

It is a happy number.

121202210122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121202210096 and 121202210105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60965913 + ... + 60967900.

It is an arithmetic number, because the mean of its divisors is an integer number (13168851912).

Almost surely, 2^121202210122 is an apocalyptic number.

121202210122 is a deficient number, since it is larger than the sum of its proper divisors (89499420470).

121202210122 is a wasteful number, since it uses less digits than its factorization.

121202210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121933893.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202210122 its reverse (221012202121), we get a palindrome (342214412243).

The spelling of 121202210122 in words is "one hundred twenty-one billion, two hundred two million, two hundred ten thousand, one hundred twenty-two".