100212122113 has 4 divisors (see below), whose sum is σ = 100411351488. Its totient is φ = 100012892740.

The previous prime is 100212122083. The next prime is 100212122137. The reversal of 100212122113 is 311221212001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311221212001 = 7 ⋅44460173143.

It is a cyclic number.

It is not a de Polignac number, because 100212122113 - 2⁹ = 100212121601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212122173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99613933 + ... + 99614938.

It is an arithmetic number, because the mean of its divisors is an integer number (25102837872).

Almost surely, 2^100212122113 is an apocalyptic number.

It is an amenable number.

100212122113 is a deficient number, since it is larger than the sum of its proper divisors (199229375).

100212122113 is an equidigital number, since it uses as much as digits as its factorization.

100212122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199229374.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100212122113 its reverse (311221212001), we get a palindrome (411433334114).

The spelling of 100212122113 in words is "one hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred thirteen".