121222200201 has 16 divisors (see below), whose sum is σ = 167212200960. Its totient is φ = 78023805440.

The previous prime is 121222200191. The next prime is 121222200247. The reversal of 121222200201 is 102002222121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121222200201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121222200251) 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, 2596696 + ... + 2642966.

It is an arithmetic number, because the mean of its divisors is an integer number (10450762560).

Almost surely, 2^121222200201 is an apocalyptic number.

It is an amenable number.

121222200201 is a deficient number, since it is larger than the sum of its proper divisors (45990000759).

121222200201 is a wasteful number, since it uses less digits than its factorization.

121222200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76416.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121222200201 its reverse (102002222121), we get a palindrome (223224422322).

The spelling of 121222200201 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, two hundred one".