121202212201 has 16 divisors (see below), whose sum is σ = 140094385920. Its totient is φ = 102704785920.

The previous prime is 121202212193. The next prime is 121202212213. The reversal of 121202212201 is 102212202121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121202212201 - 2³ = 121202212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202212291) 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, 6224641 + ... + 6244081.

It is an arithmetic number, because the mean of its divisors is an integer number (8755899120).

Almost surely, 2^121202212201 is an apocalyptic number.

It is an amenable number.

121202212201 is a deficient number, since it is larger than the sum of its proper divisors (18892173719).

121202212201 is a wasteful number, since it uses less digits than its factorization.

121202212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29544.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202212201 its reverse (102212202121), we get a palindrome (223414414322).

The spelling of 121202212201 in words is "one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, two hundred one".