201210121222 has 8 divisors (see below), whose sum is σ = 329252925672. Its totient is φ = 91459146000.

The previous prime is 201210121219. The next prime is 201210121237. The reversal of 201210121222 is 222121012102.

It is a happy number.

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 = 201210121196 and 201210121205.

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, 4572957279 + ... + 4572957322.

It is an arithmetic number, because the mean of its divisors is an integer number (41156615709).

Almost surely, 2^201210121222 is an apocalyptic number.

201210121222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201210121222 is a deficient number, since it is larger than the sum of its proper divisors (128042804450).

201210121222 is a wasteful number, since it uses less digits than its factorization.

201210121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145914614.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201210121222 its reverse (222121012102), we get a palindrome (423331133324).

The spelling of 201210121222 in words is "two hundred one billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".