213000012212011 has 4 divisors (see below), whose sum is σ = 213002992013112. Its totient is φ = 212997032410912.

The previous prime is 213000012211967. The next prime is 213000012212017. The reversal of 213000012212011 is 110212210000312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213000012212011 - 2²⁵ = 212999978657579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213000012212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489793326 + ... + 1489936291.

It is an arithmetic number, because the mean of its divisors is an integer number (53250748003278).

Almost surely, 2^{213000012212011} is an apocalyptic number.

213000012212011 is a deficient number, since it is larger than the sum of its proper divisors (2979801101).

213000012212011 is an equidigital number, since it uses as much as digits as its factorization.

213000012212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979801100.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213000012212011 its reverse (110212210000312), we get a palindrome (323212222212323).

The spelling of 213000012212011 in words is "two hundred thirteen trillion, twelve million, two hundred twelve thousand, eleven".