101021220132 has 24 divisors (see below), whose sum is σ = 269389920576. Its totient is φ = 28863205728.

The previous prime is 101021220037. The next prime is 101021220133. The reversal of 101021220132 is 231022120101.

It is not an unprimeable number, because it can be changed into a prime (101021220133) 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 7 ways as a sum of consecutive naturals, for example, 601316703 + ... + 601316870.

It is an arithmetic number, because the mean of its divisors is an integer number (11224580024).

Almost surely, 2^101021220132 is an apocalyptic number.

101021220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101021220132 is an abundant number, since it is smaller than the sum of its proper divisors (168368700444).

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

101021220132 is a wasteful number, since it uses less digits than its factorization.

101021220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202633587 (or 1202633585 counting only the distinct ones).

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

Adding to 101021220132 its reverse (231022120101), we get a palindrome (332043340233).

The spelling of 101021220132 in words is "one hundred one billion, twenty-one million, two hundred twenty thousand, one hundred thirty-two".