213112110733 has 2 divisors, whose sum is σ = 213112110734. Its totient is φ = 213112110732.

The previous prime is 213112110709. The next prime is 213112110737. The reversal of 213112110733 is 337011211312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143718326404 + 69393784329 = 379102^2 + 263427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213112110733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213112110698 and 213112110707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213112110737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556055366 + 106556055367.

It is an arithmetic number, because the mean of its divisors is an integer number (106556055367).

Almost surely, 2^213112110733 is an apocalyptic number.

It is an amenable number.

213112110733 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112110733 is an equidigital number, since it uses as much as digits as its factorization.

213112110733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 213112110733 in words is "two hundred thirteen billion, one hundred twelve million, one hundred ten thousand, seven hundred thirty-three".