1102102002128 has 40 divisors (see below), whose sum is σ = 2205264258816. Its totient is φ = 533018649600.

The previous prime is 1102102002121. The next prime is 1102102002191. The reversal of 1102102002128 is 8212002012011.

It is a super-2 number, since 2×1102102002128² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102102002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499808 + ... + 1566528.

Almost surely, 2^{1102102002128} is an apocalyptic number.

It is an amenable number.

1102102002128 is an abundant number, since it is smaller than the sum of its proper divisors (1103162256688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102102002128 is a wasteful number, since it uses less digits than its factorization.

1102102002128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068843 (or 1068837 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1102102002128 its reverse (8212002012011), we get a palindrome (9314104014139).

The spelling of 1102102002128 in words is "one trillion, one hundred two billion, one hundred two million, two thousand, one hundred twenty-eight".