201421352254 has 8 divisors (see below), whose sum is σ = 315268203600. Its totient is φ = 96331951056.

The previous prime is 201421352243. The next prime is 201421352261. The reversal of 201421352254 is 452253124102.

It is a happy number.

201421352254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×201421352254² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189362479 + ... + 2189362570.

It is an arithmetic number, because the mean of its divisors is an integer number (39408525450).

Almost surely, 2^201421352254 is an apocalyptic number.

201421352254 is a deficient number, since it is larger than the sum of its proper divisors (113846851346).

201421352254 is a wasteful number, since it uses less digits than its factorization.

201421352254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378725074.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 201421352254 its reverse (452253124102), we get a palindrome (653674476356).

The spelling of 201421352254 in words is "two hundred one billion, four hundred twenty-one million, three hundred fifty-two thousand, two hundred fifty-four".