201121112202222 has 32 divisors (see below), whose sum is σ = 414210356066304. Its totient is φ = 65062803915200.

The previous prime is 201121112202121. The next prime is 201121112202253. The reversal of 201121112202222 is 222202211121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2140176828 + ... + 2140270799.

It is an arithmetic number, because the mean of its divisors is an integer number (12944073627072).

Almost surely, 2^{201121112202222} is an apocalyptic number.

201121112202222 is an abundant number, since it is smaller than the sum of its proper divisors (213089243864082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121112202222 is a wasteful number, since it uses less digits than its factorization.

201121112202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280447864.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201121112202222 its reverse (222202211121102), we get a palindrome (423323323323324).

The spelling of 201121112202222 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".