22021121030111 has 8 divisors (see below), whose sum is σ = 25201329705504. Its totient is φ = 18849495915360.

The previous prime is 22021121030021. The next prime is 22021121030273. The reversal of 22021121030111 is 11103012112022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021121030111 - 2¹⁸ = 22021120767967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22021121030111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021121030911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145884660 + ... + 2145894921.

It is an arithmetic number, because the mean of its divisors is an integer number (3150166213188).

Almost surely, 2^{22021121030111} is an apocalyptic number.

22021121030111 is a deficient number, since it is larger than the sum of its proper divisors (3180208675393).

22021121030111 is an equidigital number, since it uses as much as digits as its factorization.

22021121030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291780321.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22021121030111 its reverse (11103012112022), we get a palindrome (33124133142133).

The spelling of 22021121030111 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-one million, thirty thousand, one hundred eleven".