10212100121122 has 8 divisors (see below), whose sum is σ = 15318165258396. Its totient is φ = 5106045034992.

The previous prime is 10212100121071. The next prime is 10212100121147. The reversal of 10212100121122 is 22112100121201.

It can be written as a sum of positive squares in 2 ways, for example, as 9050897757841 + 1161202363281 = 3008471^2 + 1077591^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10212100121096 and 10212100121105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021408 + ... + 4633300.

Almost surely, 2^{10212100121122} is an apocalyptic number.

10212100121122 is a deficient number, since it is larger than the sum of its proper divisors (5106065137274).

10212100121122 is a wasteful number, since it uses less digits than its factorization.

10212100121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025572.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212100121122 its reverse (22112100121201), we get a palindrome (32324200242323).

The spelling of 10212100121122 in words is "ten trillion, two hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".