421030550101 has 16 divisors (see below), whose sum is σ = 482605288704. Its totient is φ = 359814098304.

The previous prime is 421030550081. The next prime is 421030550107. The reversal of 421030550101 is 101055030124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421030550101 - 2⁵ = 421030550069 is a prime.

It is a super-2 number, since 2×421030550101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421030550107) 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, 3579315 + ... + 3695071.

It is an arithmetic number, because the mean of its divisors is an integer number (30162830544).

Almost surely, 2^421030550101 is an apocalyptic number.

It is an amenable number.

421030550101 is a deficient number, since it is larger than the sum of its proper divisors (61574738603).

421030550101 is a wasteful number, since it uses less digits than its factorization.

421030550101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117300.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 421030550101 its reverse (101055030124), we get a palindrome (522085580225).

The spelling of 421030550101 in words is "four hundred twenty-one billion, thirty million, five hundred fifty thousand, one hundred one".