100121312111122 has 8 divisors (see below), whose sum is σ = 150186702726972. Its totient is φ = 50059077868800.

The previous prime is 100121312111101. The next prime is 100121312111137. The reversal of 100121312111122 is 221111213121001.

It can be written as a sum of positive squares in 2 ways, for example, as 99731760123241 + 389551987881 = 9986579^2 + 624141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100121312111122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789014079 + ... + 789140962.

Almost surely, 2^{100121312111122} is an apocalyptic number.

100121312111122 is a deficient number, since it is larger than the sum of its proper divisors (50065390615850).

100121312111122 is a wasteful number, since it uses less digits than its factorization.

100121312111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578186764.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 100121312111122 its reverse (221111213121001), we get a palindrome (321232525232123).

The spelling of 100121312111122 in words is "one hundred trillion, one hundred twenty-one billion, three hundred twelve million, one hundred eleven thousand, one hundred twenty-two".