121222011210201 has 24 divisors (see below), whose sum is σ = 195675441605280. Its totient is φ = 71675985931200.

The previous prime is 121222011210163. The next prime is 121222011210221. The reversal of 121222011210201 is 102012110222121.

121222011210201 is a `hidden beast` number, since 1 + 21 + 2 + 220 + 11 + 210 + 201 = 666.

It is not a de Polignac number, because 121222011210201 - 2¹¹ = 121222011208153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222011210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14932493011 + ... + 14932501128.

It is an arithmetic number, because the mean of its divisors is an integer number (8153143400220).

Almost surely, 2^{121222011210201} is an apocalyptic number.

121222011210201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121222011210201 is a deficient number, since it is larger than the sum of its proper divisors (74453430395079).

121222011210201 is a wasteful number, since it uses less digits than its factorization.

121222011210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29864994197 (or 29864994194 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121222011210201 its reverse (102012110222121), we get a palindrome (223234121432322).

It can be divided in two parts, 1212220 and 11210201, that added together give a palindrome (12422421).

The spelling of 121222011210201 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, eleven million, two hundred ten thousand, two hundred one".