2101123132 has 12 divisors (see below), whose sum is σ = 3870490120. Its totient is φ = 995268816.

The previous prime is 2101123127. The next prime is 2101123133. The reversal of 2101123132 is 2313211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101123133) 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 in 3 ways as a sum of consecutive naturals, for example, 13823103 + ... + 13823254.

Almost surely, 2^2101123132 is an apocalyptic number.

It is an amenable number.

2101123132 is a deficient number, since it is larger than the sum of its proper divisors (1769366988).

2101123132 is a wasteful number, since it uses less digits than its factorization.

2101123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27646380 (or 27646378 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2101123132 is about 45838.0096862855. The cubic root of 2101123132 is about 1280.8074194493.

Adding to 2101123132 its reverse (2313211012), we get a palindrome (4414334144).

The spelling of 2101123132 in words is "two billion, one hundred one million, one hundred twenty-three thousand, one hundred thirty-two".