2021231232103 has 8 divisors (see below), whose sum is σ = 2022300967680. Its totient is φ = 2020161679800.

The previous prime is 2021231232017. The next prime is 2021231232169. The reversal of 2021231232103 is 3012321321202.

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-2021231232103 is a prime.

It is a super-2 number, since 2×2021231232103² (a number of 25 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 (2021231232203) 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, 25772476 + ... + 25850782.

It is an arithmetic number, because the mean of its divisors is an integer number (252787620960).

Almost surely, 2^{2021231232103} is an apocalyptic number.

2021231232103 is a deficient number, since it is larger than the sum of its proper divisors (1069735577).

2021231232103 is a wasteful number, since it uses less digits than its factorization.

2021231232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91637.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2021231232103 its reverse (3012321321202), we get a palindrome (5033552553305).

The spelling of 2021231232103 in words is "two trillion, twenty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred three".