201220110212122 has 8 divisors (see below), whose sum is σ = 302063960957472. Its totient is φ = 100532123226300.

The previous prime is 201220110212057. The next prime is 201220110212159. The reversal of 201220110212122 is 221212011022102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201220110212122.

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, 38965936654 + ... + 38965941817.

It is an arithmetic number, because the mean of its divisors is an integer number (37757995119684).

Almost surely, 2^{201220110212122} is an apocalyptic number.

201220110212122 is a deficient number, since it is larger than the sum of its proper divisors (100843850745350).

201220110212122 is a wasteful number, since it uses less digits than its factorization.

201220110212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77931879764.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201220110212122 its reverse (221212011022102), we get a palindrome (422432121234224).

The spelling of 201220110212122 in words is "two hundred one trillion, two hundred twenty billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-two".