201101221020202 has 16 divisors (see below), whose sum is σ = 311842480499712. Its totient is φ = 97163309702160.

The previous prime is 201101221020181. The next prime is 201101221020221. The reversal of 201101221020202 is 202020122101102.

It is a happy number.

It is a super-2 number, since 2×201101221020202² (a number of 29 digits) contains 22 as substring.

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, 2395503138 + ... + 2395587085.

It is an arithmetic number, because the mean of its divisors is an integer number (19490155031232).

Almost surely, 2^{201101221020202} is an apocalyptic number.

201101221020202 is a deficient number, since it is larger than the sum of its proper divisors (110741259479510).

201101221020202 is a wasteful number, since it uses less digits than its factorization.

201101221020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791090933.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201101221020202 its reverse (202020122101102), we get a palindrome (403121343121304).

The spelling of 201101221020202 in words is "two hundred one trillion, one hundred one billion, two hundred twenty-one million, twenty thousand, two hundred two".