100121120122021 has 8 divisors (see below), whose sum is σ = 101334689061984. Its totient is φ = 98907724762800.

The previous prime is 100121120121931. The next prime is 100121120122031. The reversal of 100121120122021 is 120221021121001.

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

It is a cyclic number.

It is not a de Polignac number, because 100121120122021 - 2¹¹ = 100121120119973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121120121986 and 100121120122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121120122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42234411 + ... + 44541976.

It is an arithmetic number, because the mean of its divisors is an integer number (12666836132748).

Almost surely, 2^{100121120122021} is an apocalyptic number.

It is an amenable number.

100121120122021 is a deficient number, since it is larger than the sum of its proper divisors (1213568939963).

100121120122021 is an equidigital number, since it uses as much as digits as its factorization.

100121120122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86790371.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121120122021 its reverse (120221021121001), we get a palindrome (220342141243022).

The spelling of 100121120122021 in words is "one hundred trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".