100001222021112 has 64 divisors (see below), whose sum is σ = 259654224412800. Its totient is φ = 32056076976000.

The previous prime is 100001222021087. The next prime is 100001222021131. The reversal of 100001222021112 is 211120222100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001222021091 and 100001222021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286040278 + ... + 286389669.

It is an arithmetic number, because the mean of its divisors is an integer number (4057097256450).

Almost surely, 2^{100001222021112} is an apocalyptic number.

100001222021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100001222021112 is an abundant number, since it is smaller than the sum of its proper divisors (159653002391688).

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

100001222021112 is a wasteful number, since it uses less digits than its factorization.

100001222021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572430236 (or 572430232 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100001222021112 its reverse (211120222100001), we get a palindrome (311121444121113).

The spelling of 100001222021112 in words is "one hundred trillion, one billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".