4223201011021 has 4 divisors (see below), whose sum is σ = 4223314249632. Its totient is φ = 4223087772412.

The previous prime is 4223201011009. The next prime is 4223201011087. The reversal of 4223201011021 is 1201101023224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4223201011021 - 2¹⁵ = 4223200978253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4223201011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223201011621) 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 3 ways as a sum of consecutive naturals, for example, 56563345 + ... + 56637958.

It is an arithmetic number, because the mean of its divisors is an integer number (1055828562408).

Almost surely, 2^{4223201011021} is an apocalyptic number.

It is an amenable number.

4223201011021 is a deficient number, since it is larger than the sum of its proper divisors (113238611).

4223201011021 is a wasteful number, since it uses less digits than its factorization.

4223201011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113238610.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 4223201011021 its reverse (1201101023224), we get a palindrome (5424302034245).

It can be divided in two parts, 422320 and 1011021, that added together give a palindrome (1433341).

The spelling of 4223201011021 in words is "four trillion, two hundred twenty-three billion, two hundred one million, eleven thousand, twenty-one".