1002111011012 has 6 divisors (see below), whose sum is σ = 1753694269278. Its totient is φ = 501055505504.

The previous prime is 1002111010921. The next prime is 1002111011059. The reversal of 1002111011012 is 2101101112001.

It can be written as a sum of positive squares in only one way, i.e., 834694195456 + 167416815556 = 913616^2 + 409166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002111010984 and 1002111011002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125263876373 + ... + 125263876380.

It is an arithmetic number, because the mean of its divisors is an integer number (292282378213).

Almost surely, 2^{1002111011012} is an apocalyptic number.

It is an amenable number.

1002111011012 is a deficient number, since it is larger than the sum of its proper divisors (751583258266).

1002111011012 is a wasteful number, since it uses less digits than its factorization.

1002111011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250527752757 (or 250527752755 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1002111011012 its reverse (2101101112001), we get a palindrome (3103212123013).

The spelling of 1002111011012 in words is "one trillion, two billion, one hundred eleven million, eleven thousand, twelve".