11221202222212 has 6 divisors (see below), whose sum is σ = 19637103888878. Its totient is φ = 5610601111104.

The previous prime is 11221202222203. The next prime is 11221202222231. The reversal of 11221202222212 is 21222220212211.

It can be written as a sum of positive squares in only one way, i.e., 10690702672896 + 530499549316 = 3269664^2 + 728354^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402650277773 + ... + 1402650277780.

Almost surely, 2^{11221202222212} is an apocalyptic number.

It is an amenable number.

11221202222212 is a deficient number, since it is larger than the sum of its proper divisors (8415901666666).

11221202222212 is a wasteful number, since it uses less digits than its factorization.

11221202222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805300555557 (or 2805300555555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11221202222212 its reverse (21222220212211), we get a palindrome (32443422434423).

The spelling of 11221202222212 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".