2100321404043 has 8 divisors (see below), whose sum is σ = 2800607782800. Its totient is φ = 1400124647328.

The previous prime is 2100321404017. The next prime is 2100321404099. The reversal of 2100321404043 is 3404041230012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2100321404043 is a prime.

It is a super-2 number, since 2×2100321404043² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100321414043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350808 + ... + 22444581.

It is an arithmetic number, because the mean of its divisors is an integer number (350075972850).

Almost surely, 2^{2100321404043} is an apocalyptic number.

2100321404043 is a deficient number, since it is larger than the sum of its proper divisors (700286378757).

2100321404043 is a wasteful number, since it uses less digits than its factorization.

2100321404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44811021.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2100321404043 its reverse (3404041230012), we get a palindrome (5504362634055).

The spelling of 2100321404043 in words is "two trillion, one hundred billion, three hundred twenty-one million, four hundred four thousand, forty-three".