2101633645312 has 18 divisors (see below), whose sum is σ = 4195057784708. Its totient is φ = 1050816822528.

The previous prime is 2101633645301. The next prime is 2101633645313. The reversal of 2101633645312 is 2135463361012.

It is not an unprimeable number, because it can be changed into a prime (2101633645313) by changing a digit.

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, 4104752958 + ... + 4104753469.

Almost surely, 2^{2101633645312} is an apocalyptic number.

It is an amenable number.

2101633645312 is a deficient number, since it is larger than the sum of its proper divisors (2093424139396).

2101633645312 is an frugal number, since it uses more digits than its factorization.

2101633645312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209506443 (or 8209506429 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 2101633645312 in words is "two trillion, one hundred one billion, six hundred thirty-three million, six hundred forty-five thousand, three hundred twelve".