213011011201 has 4 divisors (see below), whose sum is σ = 213066733312. Its totient is φ = 212955289092.

The previous prime is 213011011193. The next prime is 213011011219. The reversal of 213011011201 is 102110110312.

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 213011011201 - 2³ = 213011011193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213011011271) 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, 27855321 + ... + 27862966.

It is an arithmetic number, because the mean of its divisors is an integer number (53266683328).

Almost surely, 2^213011011201 is an apocalyptic number.

It is an amenable number.

213011011201 is a deficient number, since it is larger than the sum of its proper divisors (55722111).

213011011201 is an equidigital number, since it uses as much as digits as its factorization.

213011011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55722110.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 213011011201 its reverse (102110110312), we get a palindrome (315121121513).

The spelling of 213011011201 in words is "two hundred thirteen billion, eleven million, eleven thousand, two hundred one".