203021214401 has 4 divisors (see below), whose sum is σ = 203044338432. Its totient is φ = 202998090372.

The previous prime is 203021214397. The next prime is 203021214419. The reversal of 203021214401 is 104412120302.

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 203021214401 - 2² = 203021214397 is a prime.

It is a super-2 number, since 2×203021214401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203021214481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11548841 + ... + 11566406.

It is an arithmetic number, because the mean of its divisors is an integer number (50761084608).

Almost surely, 2^203021214401 is an apocalyptic number.

It is an amenable number.

203021214401 is a deficient number, since it is larger than the sum of its proper divisors (23124031).

203021214401 is an equidigital number, since it uses as much as digits as its factorization.

203021214401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23124030.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203021214401 its reverse (104412120302), we get a palindrome (307433334703).

The spelling of 203021214401 in words is "two hundred three billion, twenty-one million, two hundred fourteen thousand, four hundred one".