100100222021121 has 16 divisors (see below), whose sum is σ = 152833344892800. Its totient is φ = 57087749403648.

The previous prime is 100100222021053. The next prime is 100100222021141. The reversal of 100100222021121 is 121120222001001.

It is not a de Polignac number, because 100100222021121 - 2¹¹ = 100100222019073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100100222021121.

It is not an unprimeable number, because it can be changed into a prime (100100222021141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4682383456 + ... + 4682404833.

It is an arithmetic number, because the mean of its divisors is an integer number (9552084055800).

Almost surely, 2^{100100222021121} is an apocalyptic number.

It is an amenable number.

100100222021121 is a deficient number, since it is larger than the sum of its proper divisors (52733122871679).

100100222021121 is an equidigital number, since it uses as much as digits as its factorization.

100100222021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364788808.

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

Adding to 100100222021121 its reverse (121120222001001), we get a palindrome (221220444022122).

The spelling of 100100222021121 in words is "one hundred trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-one".