30201312220121 has 16 divisors (see below), whose sum is σ = 34613538554880. Its totient is φ = 25813573067520.

The previous prime is 30201312220099. The next prime is 30201312220133. The reversal of 30201312220121 is 12102221310203.

It is not a de Polignac number, because 30201312220121 - 2¹⁴ = 30201312203737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30201312220093 and 30201312220102.

It is not an unprimeable number, because it can be changed into a prime (30201312120121) 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, 5382365 + ... + 9453701.

It is an arithmetic number, because the mean of its divisors is an integer number (2163346159680).

Almost surely, 2^{30201312220121} is an apocalyptic number.

It is an amenable number.

30201312220121 is a deficient number, since it is larger than the sum of its proper divisors (4412226334759).

30201312220121 is a wasteful number, since it uses less digits than its factorization.

30201312220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074344.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30201312220121 its reverse (12102221310203), we get a palindrome (42303533530324).

The spelling of 30201312220121 in words is "thirty trillion, two hundred one billion, three hundred twelve million, two hundred twenty thousand, one hundred twenty-one".