201122110222002 has 12 divisors (see below), whose sum is σ = 435764572147710. Its totient is φ = 67040703407328.

The previous prime is 201122110221979. The next prime is 201122110222013. The reversal of 201122110222002 is 200222011221102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 199124243877321 + 1997866344681 = 14111139^2 + 1413459^2 .

It is a super-2 number, since 2×201122110222002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11173450567889 = 201122110222002 / (2 + 0 + 1 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 2 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5586725283927 + ... + 5586725283962.

Almost surely, 2^{201122110222002} is an apocalyptic number.

201122110222002 is an abundant number, since it is smaller than the sum of its proper divisors (234642461925708).

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

201122110222002 is a wasteful number, since it uses less digits than its factorization.

201122110222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173450567897 (or 11173450567894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201122110222002 its reverse (200222011221102), we get a palindrome (401344121443104).

The spelling of 201122110222002 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, two".