100212112201 has 4 divisors (see below), whose sum is σ = 100339447312. Its totient is φ = 100084777092.

The previous prime is 100212112183. The next prime is 100212112267. The reversal of 100212112201 is 102211212001.

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: 102211212001 = 31 ⋅3297135871.

It is a cyclic number.

It is not a de Polignac number, because 100212112201 - 2⁹ = 100212111689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212113201) 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, 63666375 + ... + 63667948.

It is an arithmetic number, because the mean of its divisors is an integer number (25084861828).

Almost surely, 2^100212112201 is an apocalyptic number.

It is an amenable number.

100212112201 is a deficient number, since it is larger than the sum of its proper divisors (127335111).

100212112201 is an equidigital number, since it uses as much as digits as its factorization.

100212112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127335110.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100212112201 its reverse (102211212001), we get a palindrome (202423324202).

The spelling of 100212112201 in words is "one hundred billion, two hundred twelve million, one hundred twelve thousand, two hundred one".