421101243001 has 8 divisors (see below), whose sum is σ = 446644656360. Its totient is φ = 395643691008.

The previous prime is 421101242983. The next prime is 421101243029. The reversal of 421101243001 is 100342101124.

It can be written as a sum of positive squares in 4 ways, for example, as 368006023225 + 53095219776 = 606635^2 + 230424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421101243001 - 2⁷ = 421101242873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421101243001.

It is not an unprimeable number, because it can be changed into a prime (421101243301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21455236 + ... + 21474853.

It is an arithmetic number, because the mean of its divisors is an integer number (55830582045).

Almost surely, 2^421101243001 is an apocalyptic number.

It is an amenable number.

421101243001 is a deficient number, since it is larger than the sum of its proper divisors (25543413359).

421101243001 is a wasteful number, since it uses less digits than its factorization.

421101243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42930683.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 421101243001 its reverse (100342101124), we get a palindrome (521443344125).

The spelling of 421101243001 in words is "four hundred twenty-one billion, one hundred one million, two hundred forty-three thousand, one".