30221111011 has 16 divisors (see below), whose sum is σ = 37666048000. Its totient is φ = 23608529568.

The previous prime is 30221111009. The next prime is 30221111051. The reversal of 30221111011 is 11011112203.

It is a happy number.

It is not a de Polignac number, because 30221111011 - 2¹ = 30221111009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 30221110982 and 30221111000.

It is not an unprimeable number, because it can be changed into a prime (30221111051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094711 + ... + 2109088.

It is an arithmetic number, because the mean of its divisors is an integer number (2354128000).

Almost surely, 2^30221111011 is an apocalyptic number.

30221111011 is a deficient number, since it is larger than the sum of its proper divisors (7444936989).

30221111011 is a wasteful number, since it uses less digits than its factorization.

30221111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203898.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 30221111011 its reverse (11011112203), we get a palindrome (41232223214).

The spelling of 30221111011 in words is "thirty billion, two hundred twenty-one million, one hundred eleven thousand, eleven".