201121001222 has 8 divisors (see below), whose sum is σ = 302087535696. Its totient is φ = 100425155992.

The previous prime is 201121001209. The next prime is 201121001243. The reversal of 201121001222 is 222100121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201121001197 and 201121001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67670453 + ... + 67673424.

It is an arithmetic number, because the mean of its divisors is an integer number (37760941962).

Almost surely, 2^201121001222 is an apocalyptic number.

201121001222 is a deficient number, since it is larger than the sum of its proper divisors (100966534474).

201121001222 is a wasteful number, since it uses less digits than its factorization.

201121001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135344622.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201121001222 its reverse (222100121102), we get a palindrome (423221122324).

The spelling of 201121001222 in words is "two hundred one billion, one hundred twenty-one million, one thousand, two hundred twenty-two".