101230221012 has 48 divisors (see below), whose sum is σ = 236753858880. Its totient is φ = 33664922368.

The previous prime is 101230220999. The next prime is 101230221013. The reversal of 101230221012 is 210122032101.

It is a super-3 number, since 3×101230221012³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 101230220982 and 101230221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230221013) 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 15 ways as a sum of consecutive naturals, for example, 11327698 + ... + 11336630.

It is an arithmetic number, because the mean of its divisors is an integer number (4932372060).

Almost surely, 2^101230221012 is an apocalyptic number.

101230221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101230221012 is an abundant number, since it is smaller than the sum of its proper divisors (135523637868).

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

101230221012 is a wasteful number, since it uses less digits than its factorization.

101230221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032 (or 11030 counting only the distinct ones).

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

Adding to 101230221012 its reverse (210122032101), we get a palindrome (311352253113).

The spelling of 101230221012 in words is "one hundred one billion, two hundred thirty million, two hundred twenty-one thousand, twelve".