122221021123 has 8 divisors (see below), whose sum is σ = 122499363888. Its totient is φ = 121942849824.

The previous prime is 122221021103. The next prime is 122221021157. The reversal of 122221021123 is 321120122221.

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 122221021123 - 2²⁵ = 122187466691 is a prime.

It is a super-2 number, since 2×122221021123² (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 122221021123.

It is not an unprimeable number, because it can be changed into a prime (122221021103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442565 + ... + 1524937.

It is an arithmetic number, because the mean of its divisors is an integer number (15312420486).

Almost surely, 2^122221021123 is an apocalyptic number.

122221021123 is a deficient number, since it is larger than the sum of its proper divisors (278342765).

122221021123 is an equidigital number, since it uses as much as digits as its factorization.

122221021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85733.

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

Adding to 122221021123 its reverse (321120122221), we get a palindrome (443341143344).

The spelling of 122221021123 in words is "one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred twenty-three".