10121221221122 has 16 divisors (see below), whose sum is σ = 16771643913600. Its totient is φ = 4542320225040.

The previous prime is 10121221221119. The next prime is 10121221221127. The reversal of 10121221221122 is 22112212212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121221221094 and 10121221221103.

It is not an unprimeable number, because it can be changed into a prime (10121221221127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911741997 + ... + 2911745472.

It is an arithmetic number, because the mean of its divisors is an integer number (1048227744600).

Almost surely, 2^{10121221221122} is an apocalyptic number.

10121221221122 is a deficient number, since it is larger than the sum of its proper divisors (6650422692478).

10121221221122 is a wasteful number, since it uses less digits than its factorization.

10121221221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823487561.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10121221221122 its reverse (22112212212101), we get a palindrome (32233433433223).

The spelling of 10121221221122 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".