201222212120222 has 8 divisors (see below), whose sum is σ = 314956505927376. Its totient is φ = 96236710144432.

The previous prime is 201222212120197. The next prime is 201222212120257. The reversal of 201222212120222 is 222021212222102.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 2187197957783 + ... + 2187197957874.

It is an arithmetic number, because the mean of its divisors is an integer number (39369563240922).

Almost surely, 2^{201222212120222} is an apocalyptic number.

201222212120222 is a deficient number, since it is larger than the sum of its proper divisors (113734293807154).

201222212120222 is a wasteful number, since it uses less digits than its factorization.

201222212120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374395915682.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201222212120222 its reverse (222021212222102), we get a palindrome (423243424342324).

The spelling of 201222212120222 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".