122112221002 has 8 divisors (see below), whose sum is σ = 183300970212. Its totient is φ = 61011897600.

The previous prime is 122112220987. The next prime is 122112221017. The reversal of 122112221002 is 200122211221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122112220987) and next prime (122112221017).

It can be written as a sum of positive squares in 2 ways, for example, as 119279746161 + 2832474841 = 345369^2 + 53221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122112221002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22102999 + ... + 22108522.

Almost surely, 2^122112221002 is an apocalyptic number.

122112221002 is a deficient number, since it is larger than the sum of its proper divisors (61188749210).

122112221002 is a wasteful number, since it uses less digits than its factorization.

122112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44212904.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122112221002 its reverse (200122211221), we get a palindrome (322234432223).

The spelling of 122112221002 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two".