11222221202 has 4 divisors (see below), whose sum is σ = 16833331806. Its totient is φ = 5611110600.

The previous prime is 11222221183. The next prime is 11222221211. The reversal of 11222221202 is 20212222211.

It is a happy number.

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., 10404204001 + 818017201 = 102001^2 + 28601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805555299 + ... + 2805555302.

Almost surely, 2^11222221202 is an apocalyptic number.

11222221202 is a deficient number, since it is larger than the sum of its proper divisors (5611110604).

11222221202 is an equidigital number, since it uses as much as digits as its factorization.

11222221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611110603.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222221202 its reverse (20212222211), we get a palindrome (31434443413).

The spelling of 11222221202 in words is "eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred two".