1100200202128 has 10 divisors (see below), whose sum is σ = 2131637891654. Its totient is φ = 550100101056.

The previous prime is 1100200202093. The next prime is 1100200202137. The reversal of 1100200202128 is 8212020020011.

It can be written as a sum of positive squares in only one way, i.e., 805707302544 + 294492899584 = 897612^2 + 542672^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34381256301 + ... + 34381256332.

Almost surely, 2^{1100200202128} is an apocalyptic number.

It is an amenable number.

1100200202128 is a deficient number, since it is larger than the sum of its proper divisors (1031437689526).

1100200202128 is an equidigital number, since it uses as much as digits as its factorization.

1100200202128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68762512641 (or 68762512635 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1100200202128 its reverse (8212020020011), we get a palindrome (9312220222139).

The spelling of 1100200202128 in words is "one trillion, one hundred billion, two hundred million, two hundred two thousand, one hundred twenty-eight".