2121102132 has 12 divisors (see below), whose sum is σ = 4949238336. Its totient is φ = 707034040.

The previous prime is 2121102131. The next prime is 2121102133. The reversal of 2121102132 is 2312011212.

It is an interprime number because it is at equal distance from previous prime (2121102131) and next prime (2121102133).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88379244 + ... + 88379267.

It is an arithmetic number, because the mean of its divisors is an integer number (412436528).

Almost surely, 2^2121102132 is an apocalyptic number.

It is an amenable number.

2121102132 is an abundant number, since it is smaller than the sum of its proper divisors (2828136204).

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

2121102132 is a wasteful number, since it uses less digits than its factorization.

2121102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176758518 (or 176758516 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2121102132 is about 46055.4245664938. The cubic root of 2121102132 is about 1284.8542345014.

Adding to 2121102132 its reverse (2312011212), we get a palindrome (4433113344).

The spelling of 2121102132 in words is "two billion, one hundred twenty-one million, one hundred two thousand, one hundred thirty-two".