4001210321201 has 4 divisors (see below), whose sum is σ = 4020173403504. Its totient is φ = 3982247238900.

The previous prime is 4001210321189. The next prime is 4001210321209. The reversal of 4001210321201 is 1021230121004.

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 4001210321201 - 2⁶ = 4001210321137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001210321201.

It is not an unprimeable number, because it can be changed into a prime (4001210321209) 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, 9481540835 + ... + 9481541256.

It is an arithmetic number, because the mean of its divisors is an integer number (1005043350876).

Almost surely, 2^{4001210321201} is an apocalyptic number.

It is an amenable number.

4001210321201 is a deficient number, since it is larger than the sum of its proper divisors (18963082303).

4001210321201 is a wasteful number, since it uses less digits than its factorization.

4001210321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18963082302.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 4001210321201 its reverse (1021230121004), we get a palindrome (5022440442205).

The spelling of 4001210321201 in words is "four trillion, one billion, two hundred ten million, three hundred twenty-one thousand, two hundred one".