121020201002002 has 16 divisors (see below), whose sum is σ = 181884153392640. Its totient is φ = 60392209949568.

The previous prime is 121020201001981. The next prime is 121020201002021. The reversal of 121020201002002 is 200200102020121.

It is a happy number.

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, 10988383 + ... + 19046914.

It is an arithmetic number, because the mean of its divisors is an integer number (11367759587040).

Almost surely, 2^{121020201002002} is an apocalyptic number.

121020201002002 is a deficient number, since it is larger than the sum of its proper divisors (60863952390638).

121020201002002 is a wasteful number, since it uses less digits than its factorization.

121020201002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30039225.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121020201002002 its reverse (200200102020121), we get a palindrome (321220303022123).

The spelling of 121020201002002 in words is "one hundred twenty-one trillion, twenty billion, two hundred one million, two thousand, two".