213741120097 has 4 divisors (see below), whose sum is σ = 213742649520. Its totient is φ = 213739590676.

The previous prime is 213741120059. The next prime is 213741120107. The reversal of 213741120097 is 790021147312.

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 a de Polignac number, because none of the positive numbers 2^k-213741120097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213741120997) 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, 531343 + ... + 842500.

It is an arithmetic number, because the mean of its divisors is an integer number (53435662380).

Almost surely, 2^213741120097 is an apocalyptic number.

It is an amenable number.

213741120097 is a deficient number, since it is larger than the sum of its proper divisors (1529423).

213741120097 is a wasteful number, since it uses less digits than its factorization.

213741120097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529422.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 213741120097 in words is "two hundred thirteen billion, seven hundred forty-one million, one hundred twenty thousand, ninety-seven".