201220022101202 has 32 divisors (see below), whose sum is σ = 344344771134000. Its totient is φ = 87362944524288.

The previous prime is 201220022101169. The next prime is 201220022101261. The reversal of 201220022101202 is 202101220022102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 105281738754721 + 95938283346481 = 10260689^2 + 9794809^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115928927 + ... + 117651842.

Almost surely, 2^{201220022101202} is an apocalyptic number.

201220022101202 is a deficient number, since it is larger than the sum of its proper divisors (143124749032798).

201220022101202 is a wasteful number, since it uses less digits than its factorization.

201220022101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233582750.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201220022101202 its reverse (202101220022102), we get a palindrome (403321242123304).

The spelling of 201220022101202 in words is "two hundred one trillion, two hundred twenty billion, twenty-two million, one hundred one thousand, two hundred two".