22010111220111 has 32 divisors (see below), whose sum is σ = 33869889970176. Its totient is φ = 12453739740000.

The previous prime is 22010111220107. The next prime is 22010111220161. The reversal of 22010111220111 is 11102211101022.

It is a happy number.

It is not a de Polignac number, because 22010111220111 - 2² = 22010111220107 is a prime.

It is a super-2 number, since 2×22010111220111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111220161) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10173085 + ... + 12145446.

It is an arithmetic number, because the mean of its divisors is an integer number (1058434061568).

Almost surely, 2^{22010111220111} is an apocalyptic number.

22010111220111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22010111220111 is a deficient number, since it is larger than the sum of its proper divisors (11859778750065).

22010111220111 is a wasteful number, since it uses less digits than its factorization.

22010111220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319003.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22010111220111 its reverse (11102211101022), we get a palindrome (33112322321133).

The spelling of 22010111220111 in words is "twenty-two trillion, ten billion, one hundred eleven million, two hundred twenty thousand, one hundred eleven".