10121211022122 has 16 divisors (see below), whose sum is σ = 22491580049280. Its totient is φ = 3373737007356.

The previous prime is 10121211022099. The next prime is 10121211022127. The reversal of 10121211022122 is 22122011212101.

10121211022122 is a `hidden beast` number, since 101 + 212 + 110 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10121211022095 and 10121211022104.

It is not an unprimeable number, because it can be changed into a prime (10121211022127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93714916818 + ... + 93714916925.

It is an arithmetic number, because the mean of its divisors is an integer number (1405723753080).

Almost surely, 2^{10121211022122} is an apocalyptic number.

10121211022122 is an abundant number, since it is smaller than the sum of its proper divisors (12370369027158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121211022122 is a wasteful number, since it uses less digits than its factorization.

10121211022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187429833754 (or 187429833748 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10121211022122 its reverse (22122011212101), we get a palindrome (32243222234223).

The spelling of 10121211022122 in words is "ten trillion, one hundred twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred twenty-two".