1021112104 has 16 divisors (see below), whose sum is σ = 1916490420. Its totient is φ = 510048000.

The previous prime is 1021112077. The next prime is 1021112111. The reversal of 1021112104 is 4012111201.

It can be written as a sum of positive squares in 2 ways, for example, as 867302500 + 153809604 = 29450^2 + 12402^2 .

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, 54897 + ... + 71104.

Almost surely, 2^1021112104 is an apocalyptic number.

It is an amenable number.

1021112104 is a deficient number, since it is larger than the sum of its proper divisors (895378316).

1021112104 is a wasteful number, since it uses less digits than its factorization.

1021112104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127020 (or 127016 counting only the distinct ones).

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

The square root of 1021112104 is about 31954.8447657002. The cubic root of 1021112104 is about 1006.9884162713.

Adding to 1021112104 its reverse (4012111201), we get a palindrome (5033223305).

The spelling of 1021112104 in words is "one billion, twenty-one million, one hundred twelve thousand, one hundred four".