1110001321012 has 6 divisors (see below), whose sum is σ = 1942502311778. Its totient is φ = 555000660504.

The previous prime is 1110001320959. The next prime is 1110001321057. The reversal of 1110001321012 is 2101231000111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1109997102096 + 4218916 = 1053564^2 + 2054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110001320983 and 1110001321001.

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, 138750165123 + ... + 138750165130.

Almost surely, 2^{1110001321012} is an apocalyptic number.

It is an amenable number.

1110001321012 is a deficient number, since it is larger than the sum of its proper divisors (832500990766).

1110001321012 is a wasteful number, since it uses less digits than its factorization.

1110001321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277500330257 (or 277500330255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1110001321012 its reverse (2101231000111), we get a palindrome (3211232321123).

The spelling of 1110001321012 in words is "one trillion, one hundred ten billion, one million, three hundred twenty-one thousand, twelve".