213120000101 has 4 divisors (see below), whose sum is σ = 213130497804. Its totient is φ = 213109502400.

The previous prime is 213120000043. The next prime is 213120000113. The reversal of 213120000101 is 101000021312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52327020001 + 160792980100 = 228751^2 + 400990^2 .

It is a cyclic number.

It is not a de Polignac number, because 213120000101 - 2¹⁰ = 213119999077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120003101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218340 + ... + 5259021.

It is an arithmetic number, because the mean of its divisors is an integer number (53282624451).

Almost surely, 2^213120000101 is an apocalyptic number.

It is an amenable number.

213120000101 is a deficient number, since it is larger than the sum of its proper divisors (10497703).

213120000101 is a wasteful number, since it uses less digits than its factorization.

213120000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497702.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 213120000101 its reverse (101000021312), we get a palindrome (314120021413).

The spelling of 213120000101 in words is "two hundred thirteen billion, one hundred twenty million, one hundred one", and thus it is an aban number.