1122212202112 has 16 divisors (see below), whose sum is σ = 2235657121650. Its totient is φ = 561106100992.

The previous prime is 1122212202053. The next prime is 1122212202157. The reversal of 1122212202112 is 2112022122211.

It can be written as a sum of positive squares in only one way, i.e., 1039143739456 + 83068462656 = 1019384^2 + 288216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1122212202112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383641287 + ... + 4383641542.

Almost surely, 2^{1122212202112} is an apocalyptic number.

It is an amenable number.

1122212202112 is a deficient number, since it is larger than the sum of its proper divisors (1113444919538).

1122212202112 is an frugal number, since it uses more digits than its factorization.

1122212202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767282843 (or 8767282831 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122212202112 its reverse (2112022122211), we get a palindrome (3234234324323).

The spelling of 1122212202112 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred two thousand, one hundred twelve".