221022120120202 has 32 divisors (see below), whose sum is σ = 343348525393920. Its totient is φ = 106581192681600.

The previous prime is 221022120120133. The next prime is 221022120120211. The reversal of 221022120120202 is 202021021220122.

It is a self number, because there is not a number n which added to its sum of digits gives 221022120120202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186913423 + ... + 188092189.

It is an arithmetic number, because the mean of its divisors is an integer number (10729641418560).

Almost surely, 2^{221022120120202} is an apocalyptic number.

221022120120202 is a deficient number, since it is larger than the sum of its proper divisors (122326405273718).

221022120120202 is a wasteful number, since it uses less digits than its factorization.

221022120120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182406.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221022120120202 its reverse (202021021220122), we get a palindrome (423043141340324).

The spelling of 221022120120202 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty million, one hundred twenty thousand, two hundred two".