1111011212 has 24 divisors (see below), whose sum is σ = 1953982800. Its totient is φ = 552738816.

The previous prime is 1111011197. The next prime is 1111011233. The reversal of 1111011212 is 2121101111.

It is a junction number, because it is equal to n+sod(n) for n = 1111011193 and 1111011202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165328 + ... + 1166280.

It is an arithmetic number, because the mean of its divisors is an integer number (81415950).

Almost surely, 2^1111011212 is an apocalyptic number.

It is an amenable number.

1111011212 is a deficient number, since it is larger than the sum of its proper divisors (842971588).

1111011212 is a wasteful number, since it uses less digits than its factorization.

1111011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1111011212 is about 33331.8348129832. The cubic root of 1111011212 is about 1035.7131267444.

Adding to 1111011212 its reverse (2121101111), we get a palindrome (3232112323).

It can be divided in two parts, 11110 and 11212, that added together give a palindrome (22322).

The spelling of 1111011212 in words is "one billion, one hundred eleven million, eleven thousand, two hundred twelve".