122210221123 has 4 divisors (see below), whose sum is σ = 122210955400. Its totient is φ = 122209486848.

The previous prime is 122210221121. The next prime is 122210221151. The reversal of 122210221123 is 321122012221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122210221123 - 2¹ = 122210221121 is a prime.

It is a super-2 number, since 2×122210221123² (a number of 23 digits) contains 22 as substring.

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 122210221123.

It is not an unprimeable number, because it can be changed into a prime (122210221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15328 + ... + 494626.

It is an arithmetic number, because the mean of its divisors is an integer number (30552738850).

Almost surely, 2^122210221123 is an apocalyptic number.

122210221123 is a deficient number, since it is larger than the sum of its proper divisors (734277).

122210221123 is an equidigital number, since it uses as much as digits as its factorization.

122210221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734276.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122210221123 its reverse (321122012221), we get a palindrome (443332233344).

It can be divided in two parts, 1222102 and 21123, that added together give a square (1243225 = 1115²).

The spelling of 122210221123 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-three".