30221111023 has 4 divisors (see below), whose sum is σ = 30295001680. Its totient is φ = 30147220368.

The previous prime is 30221111009. The next prime is 30221111051. The reversal of 30221111023 is 32011112203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32011112203 = 7 ⋅4573016029.

It is a cyclic number.

It is not a de Polignac number, because 30221111023 - 2²¹ = 30219013871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221110988 and 30221111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221111623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36944715 + ... + 36945532.

It is an arithmetic number, because the mean of its divisors is an integer number (7573750420).

Almost surely, 2^30221111023 is an apocalyptic number.

30221111023 is a deficient number, since it is larger than the sum of its proper divisors (73890657).

30221111023 is an equidigital number, since it uses as much as digits as its factorization.

30221111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73890656.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30221111023 its reverse (32011112203), we get a palindrome (62232223226).

The spelling of 30221111023 in words is "thirty billion, two hundred twenty-one million, one hundred eleven thousand, twenty-three".