213010022237 has 2 divisors, whose sum is σ = 213010022238. Its totient is φ = 213010022236.

The previous prime is 213010022189. The next prime is 213010022243. The reversal of 213010022237 is 732220010312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111026238436 + 101983783801 = 333206^2 + 319349^2 .

It is a cyclic number.

It is not a de Polignac number, because 213010022237 - 2¹² = 213010018141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213010024237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505011118 + 106505011119.

It is an arithmetic number, because the mean of its divisors is an integer number (106505011119).

Almost surely, 2^213010022237 is an apocalyptic number.

It is an amenable number.

213010022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

213010022237 is an equidigital number, since it uses as much as digits as its factorization.

213010022237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 213010022237 its reverse (732220010312), we get a palindrome (945230032549).

The spelling of 213010022237 in words is "two hundred thirteen billion, ten million, twenty-two thousand, two hundred thirty-seven".