30010221030421 has 4 divisors (see below), whose sum is σ = 30010275989644. Its totient is φ = 30010166071200.

The previous prime is 30010221030407. The next prime is 30010221030481. The reversal of 30010221030421 is 12403012201003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16755014837521 + 13255206192900 = 4093289^2 + 3640770^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010221030421 - 2¹⁷ = 30010220899349 is a prime.

It is a super-2 number, since 2×30010221030421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010221030481) 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, 26652240 + ... + 27755401.

It is an arithmetic number, because the mean of its divisors is an integer number (7502568997411).

Almost surely, 2^{30010221030421} is an apocalyptic number.

It is an amenable number.

30010221030421 is a deficient number, since it is larger than the sum of its proper divisors (54959223).

30010221030421 is an equidigital number, since it uses as much as digits as its factorization.

30010221030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54959222.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30010221030421 its reverse (12403012201003), we get a palindrome (42413233231424).

The spelling of 30010221030421 in words is "thirty trillion, ten billion, two hundred twenty-one million, thirty thousand, four hundred twenty-one".