100331111122121 has 8 divisors (see below), whose sum is σ = 109452234528000. Its totient is φ = 91210006600240.

The previous prime is 100331111122091. The next prime is 100331111122133. The reversal of 100331111122121 is 121221111133001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100331111122121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100331111122093 and 100331111122102.

It is not an unprimeable number, because it can be changed into a prime (100331111122321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841480 + ... + 16191078.

It is an arithmetic number, because the mean of its divisors is an integer number (13681529316000).

Almost surely, 2^{100331111122121} is an apocalyptic number.

100331111122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100331111122121 is a deficient number, since it is larger than the sum of its proper divisors (9121123405879).

100331111122121 is a wasteful number, since it uses less digits than its factorization.

100331111122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441999.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 100331111122121 its reverse (121221111133001), we get a palindrome (221552222255122).

The spelling of 100331111122121 in words is "one hundred trillion, three hundred thirty-one billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".