20100112213 has 2 divisors, whose sum is σ = 20100112214. Its totient is φ = 20100112212.

The previous prime is 20100112189. The next prime is 20100112237. The reversal of 20100112213 is 31221100102.

It is a balanced prime because it is at equal distance from previous prime (20100112189) and next prime (20100112237).

It can be written as a sum of positive squares in only one way, i.e., 18633069009 + 1467043204 = 136503^2 + 38302^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100112213 - 2⁵ = 20100112181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20100112193 and 20100112202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100112273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050056106 + 10050056107.

It is an arithmetic number, because the mean of its divisors is an integer number (10050056107).

Almost surely, 2^20100112213 is an apocalyptic number.

It is an amenable number.

20100112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100112213 is an equidigital number, since it uses as much as digits as its factorization.

20100112213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20100112213 its reverse (31221100102), we get a palindrome (51321212315).

The spelling of 20100112213 in words is "twenty billion, one hundred million, one hundred twelve thousand, two hundred thirteen".