100211221122 has 32 divisors (see below), whose sum is σ = 209411498880. Its totient is φ = 31909384320.

The previous prime is 100211221111. The next prime is 100211221129. The reversal of 100211221122 is 221122112001.

It is not an unprimeable number, because it can be changed into a prime (100211221129) 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, 372097 + ... + 582132.

It is an arithmetic number, because the mean of its divisors is an integer number (6544109340).

Almost surely, 2^100211221122 is an apocalyptic number.

100211221122 is an abundant number, since it is smaller than the sum of its proper divisors (109200277758).

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

100211221122 is a wasteful number, since it uses less digits than its factorization.

100211221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955018.

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

Adding to 100211221122 its reverse (221122112001), we get a palindrome (321333333123).

The spelling of 100211221122 in words is "one hundred billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".