420413221101 has 16 divisors (see below), whose sum is σ = 561224616896. Its totient is φ = 279938820096.

The previous prime is 420413221099. The next prime is 420413221117. The reversal of 420413221101 is 101122314024.

It is not a de Polignac number, because 420413221101 - 2¹ = 420413221099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420413221181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11233446 + ... + 11270808.

It is an arithmetic number, because the mean of its divisors is an integer number (35076538556).

Almost surely, 2^420413221101 is an apocalyptic number.

It is an amenable number.

420413221101 is a deficient number, since it is larger than the sum of its proper divisors (140811395795).

420413221101 is a wasteful number, since it uses less digits than its factorization.

420413221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41772.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 420413221101 its reverse (101122314024), we get a palindrome (521535535125).

The spelling of 420413221101 in words is "four hundred twenty billion, four hundred thirteen million, two hundred twenty-one thousand, one hundred one".