221000211001202 has 16 divisors (see below), whose sum is σ = 335680038176472. Its totient is φ = 109112731219200.

The previous prime is 221000211001187. The next prime is 221000211001211. The reversal of 221000211001202 is 202100112000122.

It can be written as a sum of positive squares in 4 ways, for example, as 219741755568721 + 1258455432481 = 14823689^2 + 1121809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466493623 + ... + 1466644314.

Almost surely, 2^{221000211001202} is an apocalyptic number.

221000211001202 is a deficient number, since it is larger than the sum of its proper divisors (114679827175270).

221000211001202 is a wasteful number, since it uses less digits than its factorization.

221000211001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933138413.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221000211001202 its reverse (202100112000122), we get a palindrome (423100323001324).

The spelling of 221000211001202 in words is "two hundred twenty-one trillion, two hundred eleven million, one thousand, two hundred two".