1101212212 has 6 divisors (see below), whose sum is σ = 1927121378. Its totient is φ = 550606104.

The previous prime is 1101212207. The next prime is 1101212237. The reversal of 1101212212 is 2122121011.

It can be written as a sum of positive squares in only one way, i.e., 1075446436 + 25765776 = 32794^2 + 5076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101212192 and 1101212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137651523 + ... + 137651530.

Almost surely, 2^1101212212 is an apocalyptic number.

It is an amenable number.

1101212212 is a deficient number, since it is larger than the sum of its proper divisors (825909166).

1101212212 is a wasteful number, since it uses less digits than its factorization.

1101212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275303057 (or 275303055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1101212212 is about 33184.5176550752. The cubic root of 1101212212 is about 1032.6591708989.

Adding to 1101212212 its reverse (2122121011), we get a palindrome (3223333223).

The spelling of 1101212212 in words is "one billion, one hundred one million, two hundred twelve thousand, two hundred twelve".