30221210111123 has 16 divisors (see below), whose sum is σ = 31286158759680. Its totient is φ = 29157789368736.

The previous prime is 30221210111087. The next prime is 30221210111189. The reversal of 30221210111123 is 32111101212203.

It is a cyclic number.

It is not a de Polignac number, because 30221210111123 - 2⁸ = 30221210110867 is a prime.

It is a super-2 number, since 2×30221210111123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221210111095 and 30221210111104.

It is not an unprimeable number, because it can be changed into a prime (30221210110123) 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, 345629936 + ... + 345717362.

It is an arithmetic number, because the mean of its divisors is an integer number (1955384922480).

Almost surely, 2^{30221210111123} is an apocalyptic number.

30221210111123 is a deficient number, since it is larger than the sum of its proper divisors (1064948648557).

30221210111123 is a wasteful number, since it uses less digits than its factorization.

30221210111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96026.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30221210111123 its reverse (32111101212203), we get a palindrome (62332311323326).

The spelling of 30221210111123 in words is "thirty trillion, two hundred twenty-one billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-three".