213010032123101 has 2 divisors, whose sum is σ = 213010032123102. Its totient is φ = 213010032123100.

The previous prime is 213010032123071. The next prime is 213010032123107. The reversal of 213010032123101 is 101321230010312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201676211625625 + 11333820497476 = 14201275^2 + 3366574^2 .

It is a cyclic number.

It is not a de Polignac number, because 213010032123101 - 2¹⁸ = 213010031860957 is a prime.

It is a super-3 number, since 3×213010032123101³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213010032123107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505016061550 + 106505016061551.

It is an arithmetic number, because the mean of its divisors is an integer number (106505016061551).

Almost surely, 2^{213010032123101} is an apocalyptic number.

It is an amenable number.

213010032123101 is a deficient number, since it is larger than the sum of its proper divisors (1).

213010032123101 is an equidigital number, since it uses as much as digits as its factorization.

213010032123101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213010032123101 its reverse (101321230010312), we get a palindrome (314331262133413).

The spelling of 213010032123101 in words is "two hundred thirteen trillion, ten billion, thirty-two million, one hundred twenty-three thousand, one hundred one".