2100402142043 has 8 divisors (see below), whose sum is σ = 2225448825840. Its totient is φ = 1975521415680.

The previous prime is 2100402142037. The next prime is 2100402142063. The reversal of 2100402142043 is 3402412040012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100402142043 - 2²⁶ = 2100335033179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100402142063) 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 7 ways as a sum of consecutive naturals, for example, 41463293 + ... + 41513918.

It is an arithmetic number, because the mean of its divisors is an integer number (278181103230).

Almost surely, 2^{2100402142043} is an apocalyptic number.

2100402142043 is a deficient number, since it is larger than the sum of its proper divisors (125046683797).

2100402142043 is a wasteful number, since it uses less digits than its factorization.

2100402142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82978717.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2100402142043 its reverse (3402412040012), we get a palindrome (5502814182055).

The spelling of 2100402142043 in words is "two trillion, one hundred billion, four hundred two million, one hundred forty-two thousand, forty-three".