221111120211202 has 8 divisors (see below), whose sum is σ = 357179501879676. Its totient is φ = 102051286251312.

The previous prime is 221111120211199. The next prime is 221111120211251. The reversal of 221111120211202 is 202112021111122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 216734074615881 + 4377045595321 = 14721891^2 + 2092139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221111120211202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252136927113 + ... + 4252136927164.

Almost surely, 2^{221111120211202} is an apocalyptic number.

221111120211202 is a deficient number, since it is larger than the sum of its proper divisors (136068381668474).

221111120211202 is a wasteful number, since it uses less digits than its factorization.

221111120211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504273854292.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 221111120211202 its reverse (202112021111122), we get a palindrome (423223141322324).

The spelling of 221111120211202 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred two".