100011221201112 has 32 divisors (see below), whose sum is σ = 269260980157680. Its totient is φ = 30772683446400.

The previous prime is 100011221201063. The next prime is 100011221201113. The reversal of 100011221201112 is 211102122110001.

It is a happy number.

It is a super-2 number, since 2×100011221201112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100011221201091 and 100011221201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011221201113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160274392639 + ... + 160274393262.

Almost surely, 2^{100011221201112} is an apocalyptic number.

100011221201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100011221201112 is an abundant number, since it is smaller than the sum of its proper divisors (169249758956568).

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

100011221201112 is a wasteful number, since it uses less digits than its factorization.

100011221201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320548785923 (or 320548785919 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100011221201112 its reverse (211102122110001), we get a palindrome (311113343311113).

The spelling of 100011221201112 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred twelve".