201110221222222 has 16 divisors (see below), whose sum is σ = 324919933455600. Its totient is φ = 92805937503552.

The previous prime is 201110221222217. The next prime is 201110221222247. The reversal of 201110221222222 is 222222122011102.

It is a super-2 number, since 2×201110221222222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201110221222193 and 201110221222202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590017972 + ... + 590358727.

It is an arithmetic number, because the mean of its divisors is an integer number (20307495840975).

Almost surely, 2^{201110221222222} is an apocalyptic number.

201110221222222 is a deficient number, since it is larger than the sum of its proper divisors (123809712233378).

201110221222222 is a wasteful number, since it uses less digits than its factorization.

201110221222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180383267.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 201110221222222 its reverse (222222122011102), we get a palindrome (423332343233324).

The spelling of 201110221222222 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".