22111021021123 has 2 divisors, whose sum is σ = 22111021021124. Its totient is φ = 22111021021122.

The previous prime is 22111021021099. The next prime is 22111021021223. The reversal of 22111021021123 is 32112012011122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111021021123 - 2²⁹ = 22110484150211 is a prime.

It is a super-3 number, since 3×22111021021123³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22111021021123.

It is not a weakly prime, because it can be changed into another prime (22111021021223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055510510561 + 11055510510562.

It is an arithmetic number, because the mean of its divisors is an integer number (11055510510562).

Almost surely, 2^{22111021021123} is an apocalyptic number.

22111021021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111021021123 is an equidigital number, since it uses as much as digits as its factorization.

22111021021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22111021021123 its reverse (32112012011122), we get a palindrome (54223033032245).

The spelling of 22111021021123 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, one hundred twenty-three".