2101232043403 has 8 divisors (see below), whose sum is σ = 2121771345408. Its totient is φ = 2080695414504.

The previous prime is 2101232043397. The next prime is 2101232043431. The reversal of 2101232043403 is 3043402321012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101232043403 is a prime.

It is a super-2 number, since 2×2101232043403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101232043503) 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, 930126 + ... + 2251132.

It is an arithmetic number, because the mean of its divisors is an integer number (265221418176).

Almost surely, 2^{2101232043403} is an apocalyptic number.

2101232043403 is a deficient number, since it is larger than the sum of its proper divisors (20539302005).

2101232043403 is a wasteful number, since it uses less digits than its factorization.

2101232043403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336553.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2101232043403 its reverse (3043402321012), we get a palindrome (5144634364415).

The spelling of 2101232043403 in words is "two trillion, one hundred one billion, two hundred thirty-two million, forty-three thousand, four hundred three".