213210112127 has 2 divisors, whose sum is σ = 213210112128. Its totient is φ = 213210112126.

The previous prime is 213210112097. The next prime is 213210112133. The reversal of 213210112127 is 721211012312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213210112127 - 2¹⁶ = 213210046591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213210142127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605056063 + 106605056064.

It is an arithmetic number, because the mean of its divisors is an integer number (106605056064).

Almost surely, 2^213210112127 is an apocalyptic number.

213210112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210112127 is an equidigital number, since it uses as much as digits as its factorization.

213210112127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 213210112127 its reverse (721211012312), we get a palindrome (934421124439).

The spelling of 213210112127 in words is "two hundred thirteen billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-seven".