11100012212 has 6 divisors (see below), whose sum is σ = 19425021378. Its totient is φ = 5550006104.

The previous prime is 11100012167. The next prime is 11100012233. The reversal of 11100012212 is 21221000111.

It can be written as a sum of positive squares in only one way, i.e., 10360389796 + 739622416 = 101786^2 + 27196^2 .

It is a super-2 number, since 2×11100012212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100012193 and 11100012202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387501523 + ... + 1387501530.

It is an arithmetic number, because the mean of its divisors is an integer number (3237503563).

Almost surely, 2^11100012212 is an apocalyptic number.

It is an amenable number.

11100012212 is a deficient number, since it is larger than the sum of its proper divisors (8325009166).

11100012212 is a wasteful number, since it uses less digits than its factorization.

11100012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775003057 (or 2775003055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100012212 its reverse (21221000111), we get a palindrome (32321012323).

The spelling of 11100012212 in words is "eleven billion, one hundred million, twelve thousand, two hundred twelve".