101022321012 has 48 divisors (see below), whose sum is σ = 239282168832. Its totient is φ = 33165237600.

The previous prime is 101022320981. The next prime is 101022321017. The reversal of 101022321012 is 210123220101.

It is a junction number, because it is equal to n+sod(n) for n = 101022320982 and 101022321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022321017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6384703 + ... + 6400505.

It is an arithmetic number, because the mean of its divisors is an integer number (4985045184).

Almost surely, 2^101022321012 is an apocalyptic number.

101022321012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101022321012 is an abundant number, since it is smaller than the sum of its proper divisors (138259847820).

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

101022321012 is a wasteful number, since it uses less digits than its factorization.

101022321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23828 (or 23826 counting only the distinct ones).

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

Adding to 101022321012 its reverse (210123220101), we get a palindrome (311145541113).

The spelling of 101022321012 in words is "one hundred one billion, twenty-two million, three hundred twenty-one thousand, twelve".