101321022132 has 72 divisors (see below), whose sum is σ = 282113133120. Its totient is φ = 30405237120.

The previous prime is 101321022119. The next prime is 101321022133. The reversal of 101321022132 is 231220123101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321022133) 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 23 ways as a sum of consecutive naturals, for example, 1201257 + ... + 1282832.

It is an arithmetic number, because the mean of its divisors is an integer number (3918237960).

Almost surely, 2^101321022132 is an apocalyptic number.

101321022132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101321022132 is an abundant number, since it is smaller than the sum of its proper divisors (180792110988).

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

101321022132 is a wasteful number, since it uses less digits than its factorization.

101321022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484213 (or 2484208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101321022132 its reverse (231220123101), we get a palindrome (332541145233).

The spelling of 101321022132 in words is "one hundred one billion, three hundred twenty-one million, twenty-two thousand, one hundred thirty-two".