213332421401 has 16 divisors (see below), whose sum is σ = 248330869440. Its totient is φ = 181214392320.

The previous prime is 213332421389. The next prime is 213332421409. The reversal of 213332421401 is 104124233312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213332421401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213332421409) 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, 6976040 + ... + 7006553.

It is an arithmetic number, because the mean of its divisors is an integer number (15520679340).

Almost surely, 2^213332421401 is an apocalyptic number.

It is an amenable number.

213332421401 is a deficient number, since it is larger than the sum of its proper divisors (34998448039).

213332421401 is a wasteful number, since it uses less digits than its factorization.

213332421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13982696.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213332421401 its reverse (104124233312), we get a palindrome (317456654713).

The spelling of 213332421401 in words is "two hundred thirteen billion, three hundred thirty-two million, four hundred twenty-one thousand, four hundred one".