1100020001012 has 6 divisors (see below), whose sum is σ = 1925035001778. Its totient is φ = 550010000504.

The previous prime is 1100020000987. The next prime is 1100020001033. The reversal of 1100020001012 is 2101000200011.

It can be written as a sum of positive squares in only one way, i.e., 991545943696 + 108474057316 = 995764^2 + 329354^2 .

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, 137502500123 + ... + 137502500130.

It is an arithmetic number, because the mean of its divisors is an integer number (320839166963).

Almost surely, 2^{1100020001012} is an apocalyptic number.

It is an amenable number.

1100020001012 is a deficient number, since it is larger than the sum of its proper divisors (825015000766).

1100020001012 is a wasteful number, since it uses less digits than its factorization.

1100020001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275005000257 (or 275005000255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100020001012 its reverse (2101000200011), we get a palindrome (3201020201023).

The spelling of 1100020001012 in words is "one trillion, one hundred billion, twenty million, one thousand, twelve".