201000121222 has 4 divisors (see below), whose sum is σ = 301500181836. Its totient is φ = 100500060610.

The previous prime is 201000121219. The next prime is 201000121237. The reversal of 201000121222 is 222121000102.

It is a happy number.

201000121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50250030304 + ... + 50250030307.

It is an arithmetic number, because the mean of its divisors is an integer number (75375045459).

Almost surely, 2^201000121222 is an apocalyptic number.

201000121222 is a deficient number, since it is larger than the sum of its proper divisors (100500060614).

201000121222 is a wasteful number, since it uses less digits than its factorization.

201000121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500060613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201000121222 its reverse (222121000102), we get a palindrome (423121121324).

The spelling of 201000121222 in words is "two hundred one billion, one hundred twenty-one thousand, two hundred twenty-two".