121203321002 has 16 divisors (see below), whose sum is σ = 191383516800. Its totient is φ = 57409143840.

The previous prime is 121203320971. The next prime is 121203321011. The reversal of 121203321002 is 200123302121.

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, 784574 + ... + 926262.

It is an arithmetic number, because the mean of its divisors is an integer number (11961469800).

Almost surely, 2^121203321002 is an apocalyptic number.

121203321002 is a deficient number, since it is larger than the sum of its proper divisors (70180195798).

121203321002 is a wasteful number, since it uses less digits than its factorization.

121203321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164221.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121203321002 its reverse (200123302121), we get a palindrome (321326623123).

The spelling of 121203321002 in words is "one hundred twenty-one billion, two hundred three million, three hundred twenty-one thousand, two".