100205221401343 has 4 divisors (see below), whose sum is σ = 101847929948968. Its totient is φ = 98562512853720.

The previous prime is 100205221401281. The next prime is 100205221401347. The reversal of 100205221401343 is 343104122502001.

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

It is a cyclic number.

It is not a de Polignac number, because 100205221401343 - 2²¹ = 100205219304191 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 (100205221401347) 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, 821354273721 + ... + 821354273842.

It is an arithmetic number, because the mean of its divisors is an integer number (25461982487242).

Almost surely, 2^{100205221401343} is an apocalyptic number.

100205221401343 is a deficient number, since it is larger than the sum of its proper divisors (1642708547625).

100205221401343 is an equidigital number, since it uses as much as digits as its factorization.

100205221401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642708547624.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 100205221401343 its reverse (343104122502001), we get a palindrome (443309343903344).

The spelling of 100205221401343 in words is "one hundred trillion, two hundred five billion, two hundred twenty-one million, four hundred one thousand, three hundred forty-three".