10203102300221 has 4 divisors (see below), whose sum is σ = 10203140158944. Its totient is φ = 10203064441500.

The previous prime is 10203102300217. The next prime is 10203102300239. The reversal of 10203102300221 is 12200320130201.

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 10203102300221 - 2² = 10203102300217 is a prime.

It is a super-2 number, since 2×10203102300221² (a number of 27 digits) contains 22 as substring.

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 10203102300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203102309221) 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, 18522185 + ... + 19065086.

It is an arithmetic number, because the mean of its divisors is an integer number (2550785039736).

Almost surely, 2^{10203102300221} is an apocalyptic number.

It is an amenable number.

10203102300221 is a deficient number, since it is larger than the sum of its proper divisors (37858723).

10203102300221 is an equidigital number, since it uses as much as digits as its factorization.

10203102300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37858722.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10203102300221 its reverse (12200320130201), we get a palindrome (22403422430422).

The spelling of 10203102300221 in words is "ten trillion, two hundred three billion, one hundred two million, three hundred thousand, two hundred twenty-one".