1101121012 has 12 divisors (see below), whose sum is σ = 1959622560. Its totient is φ = 541228856.

The previous prime is 1101121009. The next prime is 1101121033. The reversal of 1101121012 is 2101211011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101121012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332648 + ... + 2333119.

It is an arithmetic number, because the mean of its divisors is an integer number (163301880).

Almost surely, 2^1101121012 is an apocalyptic number.

It is an amenable number.

1101121012 is a deficient number, since it is larger than the sum of its proper divisors (858501548).

1101121012 is a wasteful number, since it uses less digits than its factorization.

1101121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665830 (or 4665828 counting only the distinct ones).

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

The square root of 1101121012 is about 33183.1434918393. The cubic root of 1101121012 is about 1032.6306625831.

Adding to 1101121012 its reverse (2101211011), we get a palindrome (3202332023).

It can be divided in two parts, 11011 and 21012, that multiplied together give a palindrome (231363132).

The spelling of 1101121012 in words is "one billion, one hundred one million, one hundred twenty-one thousand, twelve".