20222211011123 has 24 divisors (see below), whose sum is σ = 23063176980480. Its totient is φ = 17583216417360.

The previous prime is 20222211011069. The next prime is 20222211011131. The reversal of 20222211011123 is 32111011222202.

It is a de Polignac number, because none of the positive numbers 2^k-20222211011123 is a prime.

It is a super-2 number, since 2×20222211011123² (a number of 27 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 = 20222211011095 and 20222211011104.

It is not an unprimeable number, because it can be changed into a prime (20222211011173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82175258 + ... + 82420976.

It is an arithmetic number, because the mean of its divisors is an integer number (960965707520).

Almost surely, 2^{20222211011123} is an apocalyptic number.

20222211011123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20222211011123 is a deficient number, since it is larger than the sum of its proper divisors (2840965969357).

20222211011123 is a wasteful number, since it uses less digits than its factorization.

20222211011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259919 (or 259896 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20222211011123 its reverse (32111011222202), we get a palindrome (52333222233325).

The spelling of 20222211011123 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, eleven thousand, one hundred twenty-three".