121002112201 has 4 divisors (see below), whose sum is σ = 121009744512. Its totient is φ = 120994479892.

The previous prime is 121002112193. The next prime is 121002112211. The reversal of 121002112201 is 102211200121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121002112201 - 2³ = 121002112193 is a prime.

It is a super-2 number, since 2×121002112201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792325 + ... + 3824098.

It is an arithmetic number, because the mean of its divisors is an integer number (30252436128).

Almost surely, 2^121002112201 is an apocalyptic number.

It is an amenable number.

121002112201 is a deficient number, since it is larger than the sum of its proper divisors (7632311).

121002112201 is an equidigital number, since it uses as much as digits as its factorization.

121002112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632310.

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

Adding to 121002112201 its reverse (102211200121), we get a palindrome (223213312322).

The spelling of 121002112201 in words is "one hundred twenty-one billion, two million, one hundred twelve thousand, two hundred one".