213001011113 has 4 divisors (see below), whose sum is σ = 232364739408. Its totient is φ = 193637282820.

The previous prime is 213001011107. The next prime is 213001011193. The reversal of 213001011113 is 311110100312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213001011113 - 2⁸ = 213001010857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213001011103) 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, 9681864131 + ... + 9681864152.

It is an arithmetic number, because the mean of its divisors is an integer number (58091184852).

Almost surely, 2^213001011113 is an apocalyptic number.

It is an amenable number.

213001011113 is a deficient number, since it is larger than the sum of its proper divisors (19363728295).

213001011113 is a wasteful number, since it uses less digits than its factorization.

213001011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363728294.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 213001011113 its reverse (311110100312), we get a palindrome (524111111425).

The spelling of 213001011113 in words is "two hundred thirteen billion, one million, eleven thousand, one hundred thirteen".