121222032201 has 24 divisors (see below), whose sum is σ = 175930282944. Its totient is φ = 80431031520.

The previous prime is 121222032199. The next prime is 121222032229. The reversal of 121222032201 is 102230222121.

121222032201 is a `hidden beast` number, since 1 + 212 + 220 + 32 + 201 = 666.

It is not a de Polignac number, because 121222032201 - 2¹ = 121222032199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222032271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7176796 + ... + 7193666.

It is an arithmetic number, because the mean of its divisors is an integer number (7330428456).

Almost surely, 2^121222032201 is an apocalyptic number.

It is an amenable number.

121222032201 is a deficient number, since it is larger than the sum of its proper divisors (54708250743).

121222032201 is a wasteful number, since it uses less digits than its factorization.

121222032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621 (or 20618 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121222032201 its reverse (102230222121), we get a palindrome (223452254322).

It can be divided in two parts, 1212220 and 32201, that added together give a palindrome (1244421).

The spelling of 121222032201 in words is "one hundred twenty-one billion, two hundred twenty-two million, thirty-two thousand, two hundred one".