421101040120001 has 4 divisors (see below), whose sum is σ = 422862969158400. Its totient is φ = 419339111081604.

The previous prime is 421101040119983. The next prime is 421101040120003. The reversal of 421101040120001 is 100021040101124.

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 421101040120001 - 2⁶ = 421101040119937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421101040120003) 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, 880964518841 + ... + 880964519318.

It is an arithmetic number, because the mean of its divisors is an integer number (105715742289600).

Almost surely, 2^{421101040120001} is an apocalyptic number.

It is an amenable number.

421101040120001 is a deficient number, since it is larger than the sum of its proper divisors (1761929038399).

421101040120001 is a wasteful number, since it uses less digits than its factorization.

421101040120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761929038398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 421101040120001 its reverse (100021040101124), we get a palindrome (521122080221125).

The spelling of 421101040120001 in words is "four hundred twenty-one trillion, one hundred one billion, forty million, one hundred twenty thousand, one".