1111100212 has 12 divisors (see below), whose sum is σ = 2058803460. Its totient is φ = 522870656.

The previous prime is 1111100209. The next prime is 1111100219. The reversal of 1111100212 is 2120011111.

It can be written as a sum of positive squares in 2 ways, for example, as 766403856 + 344696356 = 27684^2 + 18566^2 .

It is a super-2 number, since 2×1111100212² = 2469087362212889888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8169787 + ... + 8169922.

It is an arithmetic number, because the mean of its divisors is an integer number (171566955).

Almost surely, 2^1111100212 is an apocalyptic number.

It is an amenable number.

1111100212 is a deficient number, since it is larger than the sum of its proper divisors (947703248).

1111100212 is a wasteful number, since it uses less digits than its factorization.

1111100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339730 (or 16339728 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1111100212 is about 33333.1698462657. The cubic root of 1111100212 is about 1035.7407820330.

Adding to 1111100212 its reverse (2120011111), we get a palindrome (3231111323).

The spelling of 1111100212 in words is "one billion, one hundred eleven million, one hundred thousand, two hundred twelve".