213120422332111 has 16 divisors (see below), whose sum is σ = 262638774639360. Its totient is φ = 168839212259520.

The previous prime is 213120422332087. The next prime is 213120422332133. The reversal of 213120422332111 is 111233224021312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213120422332111 - 2⁵ = 213120422332079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213120422332111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120422312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19541570041 + ... + 19541580946.

It is an arithmetic number, because the mean of its divisors is an integer number (16414923414960).

Almost surely, 2^{213120422332111} is an apocalyptic number.

213120422332111 is a deficient number, since it is larger than the sum of its proper divisors (49518352307249).

213120422332111 is a wasteful number, since it uses less digits than its factorization.

213120422332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39083151054.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 213120422332111 its reverse (111233224021312), we get a palindrome (324353646353423).

The spelling of 213120422332111 in words is "two hundred thirteen trillion, one hundred twenty billion, four hundred twenty-two million, three hundred thirty-two thousand, one hundred eleven".