121122200000005 has 8 divisors (see below), whose sum is σ = 145346838191352. Its totient is φ = 96897627872448.

The previous prime is 121122199999981. The next prime is 121122200000051. The reversal of 121122200000005 is 500000002221121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14397721791489 + 106724478208516 = 3794433^2 + 10330754^2 .

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 121122200000005 - 2⁵ = 121122199999973 is a prime.

It is a super-2 number, since 2×121122200000005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 12388674 + ... + 19892803.

It is an arithmetic number, because the mean of its divisors is an integer number (18168354773919).

Almost surely, 2^{121122200000005} is an apocalyptic number.

It is an amenable number.

121122200000005 is a deficient number, since it is larger than the sum of its proper divisors (24224638191347).

121122200000005 is an equidigital number, since it uses as much as digits as its factorization.

121122200000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33031895.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 121122200000005 its reverse (500000002221121), we get a palindrome (621122202221126).

The spelling of 121122200000005 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred million, five", and thus it is an aban number.