30002220123021 has 24 divisors (see below), whose sum is σ = 43350875842560. Its totient is φ = 19994864462496.

The previous prime is 30002220122999. The next prime is 30002220123053. The reversal of 30002220123021 is 12032102220003.

30002220123021 is a `hidden beast` number, since 300 + 0 + 2 + 220 + 123 + 0 + 21 = 666.

It is not a de Polignac number, because 30002220123021 - 2¹⁰ = 30002220121997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30002220122985 and 30002220123003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002220123091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612603291 + ... + 612652263.

It is an arithmetic number, because the mean of its divisors is an integer number (1806286493440).

Almost surely, 2^{30002220123021} is an apocalyptic number.

It is an amenable number.

30002220123021 is a deficient number, since it is larger than the sum of its proper divisors (13348655719539).

30002220123021 is a wasteful number, since it uses less digits than its factorization.

30002220123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70105 (or 70102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30002220123021 its reverse (12032102220003), we get a palindrome (42034322343024).

The spelling of 30002220123021 in words is "thirty trillion, two billion, two hundred twenty million, one hundred twenty-three thousand, twenty-one".