10221221120122 has 16 divisors (see below), whose sum is σ = 15359710766400. Its totient is φ = 5101318730880.

The previous prime is 10221221120119. The next prime is 10221221120167. The reversal of 10221221120122 is 22102112212201.

It is a super-2 number, since 2×10221221120122² (a number of 27 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 10221221120122.

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 7 ways as a sum of consecutive naturals, for example, 17213779 + ... + 17797657.

It is an arithmetic number, because the mean of its divisors is an integer number (959981922900).

Almost surely, 2^{10221221120122} is an apocalyptic number.

10221221120122 is a deficient number, since it is larger than the sum of its proper divisors (5138489646278).

10221221120122 is a wasteful number, since it uses less digits than its factorization.

10221221120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599781.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10221221120122 its reverse (22102112212201), we get a palindrome (32323333332323).

The spelling of 10221221120122 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".