121202222121002 has 48 divisors (see below), whose sum is σ = 221631640039872. Its totient is φ = 49122206490240.

The previous prime is 121202222120999. The next prime is 121202222121017. The reversal of 121202222121002 is 200121222202121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448715558 + ... + 448985585.

It is an arithmetic number, because the mean of its divisors is an integer number (4617325834164).

Almost surely, 2^{121202222121002} is an apocalyptic number.

121202222121002 is a deficient number, since it is larger than the sum of its proper divisors (100429417918870).

121202222121002 is a wasteful number, since it uses less digits than its factorization.

121202222121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897701211 (or 897701192 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121202222121002 its reverse (200121222202121), we get a palindrome (321323444323123).

The spelling of 121202222121002 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, two".