121002010202101 has 8 divisors (see below), whose sum is σ = 138288155825664. Its totient is φ = 103715900620080.

The previous prime is 121002010202081. The next prime is 121002010202141. The reversal of 121002010202101 is 101202010200121.

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

It is not a de Polignac number, because 121002010202101 - 2²³ = 121002001813493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002010202141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386085 + ... + 15618106.

It is an arithmetic number, because the mean of its divisors is an integer number (17286019478208).

Almost surely, 2^{121002010202101} is an apocalyptic number.

It is an amenable number.

121002010202101 is a deficient number, since it is larger than the sum of its proper divisors (17286145623563).

121002010202101 is a wasteful number, since it uses less digits than its factorization.

121002010202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020771.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121002010202101 its reverse (101202010200121), we get a palindrome (222204020402222).

The spelling of 121002010202101 in words is "one hundred twenty-one trillion, two billion, ten million, two hundred two thousand, one hundred one".