30023013120221 has 16 divisors (see below), whose sum is σ = 34419846614208. Its totient is φ = 25938401126400.

The previous prime is 30023013120211. The next prime is 30023013120227. The reversal of 30023013120221 is 12202131032003.

It is a cyclic number.

It is not a de Polignac number, because 30023013120221 - 2⁴² = 25624966609117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30023013120193 and 30023013120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023013120227) 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, 857733860 + ... + 857768861.

It is an arithmetic number, because the mean of its divisors is an integer number (2151240413388).

Almost surely, 2^{30023013120221} is an apocalyptic number.

It is an amenable number.

30023013120221 is a deficient number, since it is larger than the sum of its proper divisors (4396833493987).

30023013120221 is a wasteful number, since it uses less digits than its factorization.

30023013120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715502812.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30023013120221 its reverse (12202131032003), we get a palindrome (42225144152224).

The spelling of 30023013120221 in words is "thirty trillion, twenty-three billion, thirteen million, one hundred twenty thousand, two hundred twenty-one".