121021210002201 has 16 divisors (see below), whose sum is σ = 171068632800768. Its totient is φ = 75967978377600.

The previous prime is 121021210002193. The next prime is 121021210002211. The reversal of 121021210002201 is 102200012120121.

It is not a de Polignac number, because 121021210002201 - 2³ = 121021210002193 is a prime.

It is a super-2 number, since 2×121021210002201² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121021210002211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17585176740 + ... + 17585183621.

It is an arithmetic number, because the mean of its divisors is an integer number (10691789550048).

Almost surely, 2^{121021210002201} is an apocalyptic number.

It is an amenable number.

121021210002201 is a deficient number, since it is larger than the sum of its proper divisors (50047422798567).

121021210002201 is a wasteful number, since it uses less digits than its factorization.

121021210002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35170360432.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121021210002201 its reverse (102200012120121), we get a palindrome (223221222122322).

The spelling of 121021210002201 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred ten million, two thousand, two hundred one".