2128549101092 has 12 divisors (see below), whose sum is σ = 3733369419696. Its totient is φ = 1061872124040.

The previous prime is 2128549101031. The next prime is 2128549101097. The reversal of 2128549101092 is 2901019458212.

It is a super-2 number, since 2×2128549101092² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2128549101097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600604634 + ... + 600608177.

It is an arithmetic number, because the mean of its divisors is an integer number (311114118308).

Almost surely, 2^{2128549101092} is an apocalyptic number.

It is an amenable number.

2128549101092 is a deficient number, since it is larger than the sum of its proper divisors (1604820318604).

2128549101092 is a wasteful number, since it uses less digits than its factorization.

2128549101092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201213258 (or 1201213256 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 2128549101092 in words is "two trillion, one hundred twenty-eight billion, five hundred forty-nine million, one hundred one thousand, ninety-two".