121002221202010 has 8 divisors (see below), whose sum is σ = 217803998163636. Its totient is φ = 48400888480800.

The previous prime is 121002221202007. The next prime is 121002221202017. The reversal of 121002221202010 is 10202122200121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116273714414841 + 4728506787169 = 10783029^2 + 2174513^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121002221202017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050111060091 + ... + 6050111060110.

Almost surely, 2^{121002221202010} is an apocalyptic number.

121002221202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002221202010 is a deficient number, since it is larger than the sum of its proper divisors (96801776961626).

121002221202010 is a wasteful number, since it uses less digits than its factorization.

121002221202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100222120208.

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

Adding to 121002221202010 its reverse (10202122200121), we get a palindrome (131204343402131).

The spelling of 121002221202010 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one million, two hundred two thousand, ten".