122210221005 has 24 divisors (see below), whose sum is σ = 222980053920. Its totient is φ = 61748321760.

The previous prime is 122210220961. The next prime is 122210221087. The reversal of 122210221005 is 500122012221.

It is not a de Polignac number, because 122210221005 - 2¹⁴ = 122210204621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71467111 + ... + 71468820.

It is an arithmetic number, because the mean of its divisors is an integer number (9290835580).

Almost surely, 2^122210221005 is an apocalyptic number.

122210221005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122210221005 is a deficient number, since it is larger than the sum of its proper divisors (100769832915).

122210221005 is a wasteful number, since it uses less digits than its factorization.

122210221005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142935961 (or 142935958 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 122210221005 its reverse (500122012221), we get a palindrome (622332233226).

The spelling of 122210221005 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, five".