100212443331 has 48 divisors (see below), whose sum is σ = 180760457472. Its totient is φ = 48053903040.

The previous prime is 100212443323. The next prime is 100212443333. The reversal of 100212443331 is 133344212001.

It is a happy number.

It is not a de Polignac number, because 100212443331 - 2³ = 100212443323 is a prime.

It is a super-2 number, since 2×100212443331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100212443333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1483821 + ... + 1549886.

It is an arithmetic number, because the mean of its divisors is an integer number (3765842864).

Almost surely, 2^100212443331 is an apocalyptic number.

100212443331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100212443331 is a deficient number, since it is larger than the sum of its proper divisors (80548014141).

100212443331 is a wasteful number, since it uses less digits than its factorization.

100212443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033752 (or 3033741 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 100212443331 its reverse (133344212001), we get a palindrome (233556655332).

The spelling of 100212443331 in words is "one hundred billion, two hundred twelve million, four hundred forty-three thousand, three hundred thirty-one".