1003121031112 has 8 divisors (see below), whose sum is σ = 1880851933350. Its totient is φ = 501560515552.

The previous prime is 1003121031091. The next prime is 1003121031131. The reversal of 1003121031112 is 2111301213001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 855562101156 + 147558929956 = 924966^2 + 384134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62695064437 + ... + 62695064452.

Almost surely, 2^{1003121031112} is an apocalyptic number.

It is an amenable number.

1003121031112 is a deficient number, since it is larger than the sum of its proper divisors (877730902238).

1003121031112 is a wasteful number, since it uses less digits than its factorization.

1003121031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125390128895 (or 125390128891 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1003121031112 its reverse (2111301213001), we get a palindrome (3114422244113).

The spelling of 1003121031112 in words is "one trillion, three billion, one hundred twenty-one million, thirty-one thousand, one hundred twelve".