4221542120253 has 8 divisors (see below), whose sum is σ = 5629846120416. Its totient is φ = 2813799766800.

The previous prime is 4221542120227. The next prime is 4221542120273. The reversal of 4221542120253 is 3520212451224.

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

It is not a de Polignac number, because 4221542120253 - 2⁵ = 4221542120221 is a prime.

It is a super-4 number, since 4×4221542120253⁴ (a number of 52 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221542120273) 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, 140394138 + ... + 140424203.

It is an arithmetic number, because the mean of its divisors is an integer number (703730765052).

Almost surely, 2^{4221542120253} is an apocalyptic number.

It is an amenable number.

4221542120253 is a deficient number, since it is larger than the sum of its proper divisors (1408304000163).

4221542120253 is a wasteful number, since it uses less digits than its factorization.

4221542120253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280823355.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 4221542120253 its reverse (3520212451224), we get a palindrome (7741754571477).

The spelling of 4221542120253 in words is "four trillion, two hundred twenty-one billion, five hundred forty-two million, one hundred twenty thousand, two hundred fifty-three".