1421244420201 has 24 divisors (see below), whose sum is σ = 2219916201984. Its totient is φ = 872787557760.

The previous prime is 1421244420151. The next prime is 1421244420263. The reversal of 1421244420201 is 1020244421241.

1421244420201 is a `hidden beast` number, since 1 + 4 + 2 + 12 + 4 + 442 + 0 + 201 = 666.

It is not a de Polignac number, because 1421244420201 - 2⁷ = 1421244420073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1421244460201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98813865 + ... + 98828246.

It is an arithmetic number, because the mean of its divisors is an integer number (92496508416).

Almost surely, 2^{1421244420201} is an apocalyptic number.

It is an amenable number.

1421244420201 is a deficient number, since it is larger than the sum of its proper divisors (798671781783).

1421244420201 is a wasteful number, since it uses less digits than its factorization.

1421244420201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197642181 (or 197642178 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1421244420201 its reverse (1020244421241), we get a palindrome (2441488841442).

The spelling of 1421244420201 in words is "one trillion, four hundred twenty-one billion, two hundred forty-four million, four hundred twenty thousand, two hundred one".