221111112010202 has 8 divisors (see below), whose sum is σ = 331667565359616. Its totient is φ = 110555256890332.

The previous prime is 221111112010153. The next prime is 221111112010301. The reversal of 221111112010202 is 202010211111122.

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

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, 148632218 + ... + 150112485.

It is an arithmetic number, because the mean of its divisors is an integer number (41458445669952).

Almost surely, 2^{221111112010202} is an apocalyptic number.

221111112010202 is a deficient number, since it is larger than the sum of its proper divisors (110556453349414).

221111112010202 is a wasteful number, since it uses less digits than its factorization.

221111112010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299114772.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221111112010202 its reverse (202010211111122), we get a palindrome (423121323121324).

The spelling of 221111112010202 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, ten thousand, two hundred two".