121002110012021 has 8 divisors (see below), whose sum is σ = 139630728891264. Its totient is φ = 102709141923600.

The previous prime is 121002110011997. The next prime is 121002110012059. The reversal of 121002110012021 is 120210011200121.

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

It is a cyclic number.

It is not a de Polignac number, because 121002110012021 - 2¹⁰ = 121002110010997 is a prime.

It is a super-2 number, since 2×121002110012021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121002110011987 and 121002110012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002110012821) 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, 83912696930 + ... + 83912698371.

It is an arithmetic number, because the mean of its divisors is an integer number (17453841111408).

Almost surely, 2^{121002110012021} is an apocalyptic number.

It is an amenable number.

121002110012021 is a deficient number, since it is larger than the sum of its proper divisors (18628618879243).

121002110012021 is a wasteful number, since it uses less digits than its factorization.

121002110012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167825395411.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121002110012021 its reverse (120210011200121), we get a palindrome (241212121212142).

The spelling of 121002110012021 in words is "one hundred twenty-one trillion, two billion, one hundred ten million, twelve thousand, twenty-one".