21124222023401 has 8 divisors (see below), whose sum is σ = 24142029799104. Its totient is φ = 18106429690800.

The previous prime is 21124222023361. The next prime is 21124222023433. The reversal of 21124222023401 is 10432022242112.

It is a happy number.

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 21124222023401 - 2³⁸ = 20849344116457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21124222028401) 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, 764015 + ... + 6544628.

It is an arithmetic number, because the mean of its divisors is an integer number (3017753724888).

Almost surely, 2^{21124222023401} is an apocalyptic number.

It is an amenable number.

21124222023401 is a deficient number, since it is larger than the sum of its proper divisors (3017807775703).

21124222023401 is an equidigital number, since it uses as much as digits as its factorization.

21124222023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721551.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21124222023401 its reverse (10432022242112), we get a palindrome (31556244265513).

The spelling of 21124222023401 in words is "twenty-one trillion, one hundred twenty-four billion, two hundred twenty-two million, twenty-three thousand, four hundred one".