455212211101 has 4 divisors (see below), whose sum is σ = 455731268092. Its totient is φ = 454693154112.

The previous prime is 455212211089. The next prime is 455212211119. The reversal of 455212211101 is 101112212554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410401671876 + 44810539225 = 640626^2 + 211685^2 .

It is a cyclic number.

It is not a de Polignac number, because 455212211101 - 2¹³ = 455212202909 is a prime.

It is a super-2 number, since 2×455212211101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455212211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259527180 + ... + 259528933.

It is an arithmetic number, because the mean of its divisors is an integer number (113932817023).

Almost surely, 2^455212211101 is an apocalyptic number.

It is an amenable number.

455212211101 is a deficient number, since it is larger than the sum of its proper divisors (519056991).

455212211101 is an equidigital number, since it uses as much as digits as its factorization.

455212211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519056990.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 455212211101 its reverse (101112212554), we get a palindrome (556324423655).

The spelling of 455212211101 in words is "four hundred fifty-five billion, two hundred twelve million, two hundred eleven thousand, one hundred one".