1111102202212 has 6 divisors (see below), whose sum is σ = 1944428853878. Its totient is φ = 555551101104.

The previous prime is 1111102202201. The next prime is 1111102202219. The reversal of 1111102202212 is 2122022011111.

It can be written as a sum of positive squares in only one way, i.e., 931873592896 + 179228609316 = 965336^2 + 423354^2 .

It is a super-2 number, since 2×1111102202212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111102202219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138887775273 + ... + 138887775280.

Almost surely, 2^{1111102202212} is an apocalyptic number.

It is an amenable number.

1111102202212 is a deficient number, since it is larger than the sum of its proper divisors (833326651666).

1111102202212 is a wasteful number, since it uses less digits than its factorization.

1111102202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277775550557 (or 277775550555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111102202212 its reverse (2122022011111), we get a palindrome (3233124213323).

The spelling of 1111102202212 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred two thousand, two hundred twelve".