200212112101 has 2 divisors, whose sum is σ = 200212112102. Its totient is φ = 200212112100.

The previous prime is 200212112063. The next prime is 200212112117. The reversal of 200212112101 is 101211212002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193975061476 + 6237050625 = 440426^2 + 78975^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212112101 - 2⁷ = 200212111973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200212112801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106056050 + 100106056051.

It is an arithmetic number, because the mean of its divisors is an integer number (100106056051).

Almost surely, 2^200212112101 is an apocalyptic number.

It is an amenable number.

200212112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212112101 is an equidigital number, since it uses as much as digits as its factorization.

200212112101 is an evil number, because the sum of its binary digits is even.

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

Adding to 200212112101 its reverse (101211212002), we get a palindrome (301423324103).

Subtracting from 200212112101 its reverse (101211212002), we obtain a palindrome (99000900099).

The spelling of 200212112101 in words is "two hundred billion, two hundred twelve million, one hundred twelve thousand, one hundred one".