221122011201202 has 16 divisors (see below), whose sum is σ = 331803519460920. Its totient is φ = 110520838858752.

The previous prime is 221122011201187. The next prime is 221122011201251. The reversal of 221122011201202 is 202102110221122.

It can be written as a sum of positive squares in 4 ways, for example, as 174214155358441 + 46907855842761 = 13199021^2 + 6848931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 221122011201202.

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 7 ways as a sum of consecutive naturals, for example, 919409238 + ... + 919649710.

Almost surely, 2^{221122011201202} is an apocalyptic number.

221122011201202 is a deficient number, since it is larger than the sum of its proper divisors (110681508259718).

221122011201202 is a wasteful number, since it uses less digits than its factorization.

221122011201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405597.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221122011201202 its reverse (202102110221122), we get a palindrome (423224121422324).

The spelling of 221122011201202 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, eleven million, two hundred one thousand, two hundred two".