421122415101001 has 4 divisors (see below), whose sum is σ = 421122478269904. Its totient is φ = 421122351932100.

The previous prime is 421122415100993. The next prime is 421122415101013. The reversal of 421122415101001 is 100101514221124.

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 421122415101001 - 2³ = 421122415100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421122415101041) 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, 20221995 + ... + 35371936.

It is an arithmetic number, because the mean of its divisors is an integer number (105280619567476).

Almost surely, 2^{421122415101001} is an apocalyptic number.

It is an amenable number.

421122415101001 is a deficient number, since it is larger than the sum of its proper divisors (63168903).

421122415101001 is an equidigital number, since it uses as much as digits as its factorization.

421122415101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63168902.

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 421122415101001 its reverse (100101514221124), we get a palindrome (521223929322125).

The spelling of 421122415101001 in words is "four hundred twenty-one trillion, one hundred twenty-two billion, four hundred fifteen million, one hundred one thousand, one".