30201315221 has 16 divisors (see below), whose sum is σ = 37941032448. Its totient is φ = 23353839600.

The previous prime is 30201315187. The next prime is 30201315229. The reversal of 30201315221 is 12251310203.

It is not a de Polignac number, because 30201315221 - 2¹⁰ = 30201314197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30201315193 and 30201315202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201315229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486955 + ... + 1507128.

It is an arithmetic number, because the mean of its divisors is an integer number (2371314528).

Almost surely, 2^30201315221 is an apocalyptic number.

It is an amenable number.

30201315221 is a deficient number, since it is larger than the sum of its proper divisors (7739717227).

30201315221 is a wasteful number, since it uses less digits than its factorization.

30201315221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994232.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 30201315221 its reverse (12251310203), we get a palindrome (42452625424).

The spelling of 30201315221 in words is "thirty billion, two hundred one million, three hundred fifteen thousand, two hundred twenty-one".