2021120410023 has 108 divisors (see below), whose sum is σ = 3526634453160. Its totient is φ = 1113813866880.

The previous prime is 2021120410021. The next prime is 2021120410033. The reversal of 2021120410023 is 3200140211202.

It is a happy number.

2021120410023 is a `hidden beast` number, since 2 + 0 + 211 + 20 + 410 + 0 + 23 = 666.

It is not a de Polignac number, because 2021120410023 - 2¹ = 2021120410021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021120409978 and 2021120410005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021120410021) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12248793 + ... + 12412701.

Almost surely, 2^{2021120410023} is an apocalyptic number.

2021120410023 is a deficient number, since it is larger than the sum of its proper divisors (1505514043137).

2021120410023 is a wasteful number, since it uses less digits than its factorization.

2021120410023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164030 (or 164003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021120410023 its reverse (3200140211202), we get a palindrome (5221260621225).

The spelling of 2021120410023 in words is "two trillion, twenty-one billion, one hundred twenty million, four hundred ten thousand, twenty-three".