122100210120122 has 8 divisors (see below), whose sum is σ = 197238800963316. Its totient is φ = 56353943132352.

The previous prime is 122100210120121. The next prime is 122100210120137. The reversal of 122100210120122 is 221021012001221.

It can be written as a sum of positive squares in 2 ways, for example, as 100397013268561 + 21703196851561 = 10019831^2 + 4658669^2 .

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

It is a super-2 number, since 2×122100210120122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122100210120122.

It is not an unprimeable number, because it can be changed into a prime (122100210120121) 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, 2348080963823 + ... + 2348080963874.

Almost surely, 2^{122100210120122} is an apocalyptic number.

122100210120122 is a deficient number, since it is larger than the sum of its proper divisors (75138590843194).

122100210120122 is a wasteful number, since it uses less digits than its factorization.

122100210120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696161927712.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122100210120122 its reverse (221021012001221), we get a palindrome (343121222121343).

The spelling of 122100210120122 in words is "one hundred twenty-two trillion, one hundred billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-two".