1401243120201 has 16 divisors (see below), whose sum is σ = 1918577073600. Its totient is φ = 909190248960.

The previous prime is 1401243120127. The next prime is 1401243120217. The reversal of 1401243120201 is 1020213421041.

It is not a de Polignac number, because 1401243120201 - 2²² = 1401238925897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401243120241) 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, 19291776 + ... + 19364273.

It is an arithmetic number, because the mean of its divisors is an integer number (119911067100).

Almost surely, 2^{1401243120201} is an apocalyptic number.

It is an amenable number.

1401243120201 is a deficient number, since it is larger than the sum of its proper divisors (517333953399).

1401243120201 is a wasteful number, since it uses less digits than its factorization.

1401243120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38656376.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1401243120201 its reverse (1020213421041), we get a palindrome (2421456541242).

The spelling of 1401243120201 in words is "one trillion, four hundred one billion, two hundred forty-three million, one hundred twenty thousand, two hundred one".