421101355 has 16 divisors (see below), whose sum is σ = 515579904. Its totient is φ = 330100960.

The previous prime is 421101353. The next prime is 421101371. The reversal of 421101355 is 553101124.

It is a happy number.

It is not a de Polignac number, because 421101355 - 2¹ = 421101353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421101353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55734 + ... + 62836.

It is an arithmetic number, because the mean of its divisors is an integer number (32223744).

Almost surely, 2^421101355 is an apocalyptic number.

421101355 is a deficient number, since it is larger than the sum of its proper divisors (94478549).

421101355 is a wasteful number, since it uses less digits than its factorization.

421101355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346.

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

The square root of 421101355 is about 20520.7542502706. The cubic root of 421101355 is about 749.5412631749.

Adding to 421101355 its reverse (553101124), we get a palindrome (974202479).

The spelling of 421101355 in words is "four hundred twenty-one million, one hundred one thousand, three hundred fifty-five".