22121111030 has 32 divisors (see below), whose sum is σ = 40325644800. Its totient is φ = 8735782752.

The previous prime is 22121111029. The next prime is 22121111053. The reversal of 22121111030 is 3011112122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22121110996 and 22121111014.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1302131 + ... + 1319009.

It is an arithmetic number, because the mean of its divisors is an integer number (1260176400).

Almost surely, 2^22121111030 is an apocalyptic number.

22121111030 is a deficient number, since it is larger than the sum of its proper divisors (18204533770).

22121111030 is a wasteful number, since it uses less digits than its factorization.

22121111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22121111030 its reverse (3011112122), we get a palindrome (25132223152).

The spelling of 22121111030 in words is "twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, thirty".