101021132 has 6 divisors (see below), whose sum is σ = 176786988. Its totient is φ = 50510564.

The previous prime is 101021131. The next prime is 101021149. The reversal of 101021132 is 231120101.

It is a super-2 number, since 2×101021132² = 20410538221122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627638 + ... + 12627645.

It is an arithmetic number, because the mean of its divisors is an integer number (29464498).

Almost surely, 2^101021132 is an apocalyptic number.

It is an amenable number.

101021132 is a deficient number, since it is larger than the sum of its proper divisors (75765856).

101021132 is a wasteful number, since it uses less digits than its factorization.

101021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25255287 (or 25255285 counting only the distinct ones).

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

The square root of 101021132 is about 10050.9269224286. The cubic root of 101021132 is about 465.7334276986.

Adding to 101021132 its reverse (231120101), we get a palindrome (332141233).

The spelling of 101021132 in words is "one hundred one million, twenty-one thousand, one hundred thirty-two".