30003111132221 has 16 divisors (see below), whose sum is σ = 31326168593664. Its totient is φ = 28712364517824.

The previous prime is 30003111132173. The next prime is 30003111132223. The reversal of 30003111132221 is 12223111130003.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30003111132221 is a prime.

It is a super-2 number, since 2×30003111132221² (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 = 30003111132193 and 30003111132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003111132223) 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, 19824071 + ... + 21283796.

It is an arithmetic number, because the mean of its divisors is an integer number (1957885537104).

Almost surely, 2^{30003111132221} is an apocalyptic number.

It is an amenable number.

30003111132221 is a deficient number, since it is larger than the sum of its proper divisors (1323057461443).

30003111132221 is a wasteful number, since it uses less digits than its factorization.

30003111132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41108260.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30003111132221 its reverse (12223111130003), we get a palindrome (42226222262224).

The spelling of 30003111132221 in words is "thirty trillion, three billion, one hundred eleven million, one hundred thirty-two thousand, two hundred twenty-one".