121002100002201 has 32 divisors (see below), whose sum is σ = 180599853329280. Its totient is φ = 71425305804800.

The previous prime is 121002100002191. The next prime is 121002100002209. The reversal of 121002100002201 is 102200001200121.

It is a cyclic number.

It is not a de Polignac number, because 121002100002201 - 2⁵ = 121002100002169 is a prime.

It is a super-3 number, since 3×121002100002201³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121002100002209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74604456 + ... + 76209113.

It is an arithmetic number, because the mean of its divisors is an integer number (5643745416540).

Almost surely, 2^{121002100002201} is an apocalyptic number.

121002100002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121002100002201 is a deficient number, since it is larger than the sum of its proper divisors (59597753327079).

121002100002201 is a wasteful number, since it uses less digits than its factorization.

121002100002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150814217.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121002100002201 its reverse (102200001200121), we get a palindrome (223202101202322).

The spelling of 121002100002201 in words is "one hundred twenty-one trillion, two billion, one hundred million, two thousand, two hundred one".