132101021 has 8 divisors (see below), whose sum is σ = 142353624. Its totient is φ = 121861440.

The previous prime is 132100993. The next prime is 132101027. The reversal of 132101021 is 120101231.

It can be written as a sum of positive squares in 4 ways, for example, as 7778521 + 124322500 = 2789^2 + 11150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132101021 - 2⁶ = 132100957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132100993 and 132101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132101027) 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, 32135 + ... + 36011.

It is an arithmetic number, because the mean of its divisors is an integer number (17794203).

Almost surely, 2^132101021 is an apocalyptic number.

It is an amenable number.

132101021 is a deficient number, since it is larger than the sum of its proper divisors (10252603).

132101021 is a wasteful number, since it uses less digits than its factorization.

132101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 132101021 is about 11493.5208269703. The cubic root of 132101021 is about 509.2941934672.

Adding to 132101021 its reverse (120101231), we get a palindrome (252202252).

The spelling of 132101021 in words is "one hundred thirty-two million, one hundred one thousand, twenty-one".