10221112122 has 32 divisors (see below), whose sum is σ = 22109226048. Its totient is φ = 3131454336.

The previous prime is 10221112091. The next prime is 10221112123. The reversal of 10221112122 is 22121112201.

10221112122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10221112122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221112123) 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 15 ways as a sum of consecutive naturals, for example, 263028 + ... + 299375.

It is an arithmetic number, because the mean of its divisors is an integer number (690913314).

Almost surely, 2^10221112122 is an apocalyptic number.

10221112122 is an abundant number, since it is smaller than the sum of its proper divisors (11888113926).

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

10221112122 is a wasteful number, since it uses less digits than its factorization.

10221112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562654.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10221112122 its reverse (22121112201), we get a palindrome (32342224323).

The spelling of 10221112122 in words is "ten billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".