100122111121210 has 16 divisors (see below), whose sum is σ = 184054263849216. Its totient is φ = 39196741374928.

The previous prime is 100122111121189. The next prime is 100122111121213. The reversal of 100122111121210 is 12121111221001.

It is not an unprimeable number, because it can be changed into a prime (100122111121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106512883702 + ... + 106512884641.

It is an arithmetic number, because the mean of its divisors is an integer number (11503391490576).

Almost surely, 2^{100122111121210} is an apocalyptic number.

100122111121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122111121210 is a deficient number, since it is larger than the sum of its proper divisors (83932152728006).

100122111121210 is a wasteful number, since it uses less digits than its factorization.

100122111121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213025768397.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 100122111121210 its reverse (12121111221001), we get a palindrome (112243222342211).

The spelling of 100122111121210 in words is "one hundred trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred ten".