100121011221122 has 16 divisors (see below), whose sum is σ = 153968849835192. Its totient is φ = 48800035390080.

The previous prime is 100121011221109. The next prime is 100121011221169. The reversal of 100121011221122 is 221122110121001.

It can be written as a sum of positive squares in 4 ways, for example, as 93238316688001 + 6882694533121 = 9655999^2 + 2623489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100121011221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493426433 + ... + 493629300.

Almost surely, 2^{100121011221122} is an apocalyptic number.

100121011221122 is a deficient number, since it is larger than the sum of its proper divisors (53847838614070).

100121011221122 is a wasteful number, since it uses less digits than its factorization.

100121011221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987057013.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100121011221122 its reverse (221122110121001), we get a palindrome (321243121342123).

The spelling of 100121011221122 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred twenty-one thousand, one hundred twenty-two".