220002221211202 has 4 divisors (see below), whose sum is σ = 330003331816806. Its totient is φ = 110001110605600.

The previous prime is 220002221211193. The next prime is 220002221211217. The reversal of 220002221211202 is 202112122200022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219273043552641 + 729177658561 = 14807871^2 + 853919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220002221211202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000555302799 + ... + 55000555302802.

Almost surely, 2^{220002221211202} is an apocalyptic number.

220002221211202 is a deficient number, since it is larger than the sum of its proper divisors (110001110605604).

220002221211202 is a wasteful number, since it uses less digits than its factorization.

220002221211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110001110605603.

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

Adding to 220002221211202 its reverse (202112122200022), we get a palindrome (422114343411224).

The spelling of 220002221211202 in words is "two hundred twenty trillion, two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred two".