100120020200121 has 8 divisors (see below), whose sum is σ = 139297419408960. Its totient is φ = 63844650562352.

The previous prime is 100120020200119. The next prime is 100120020200147. The reversal of 100120020200121 is 121002020021001.

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 100120020200121 - 2¹ = 100120020200119 is a prime.

It is a super-3 number, since 3×100120020200121³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100120020200097 and 100120020200106.

It is not an unprimeable number, because it can be changed into a prime (100120020200171) 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, 725507392686 + ... + 725507392823.

It is an arithmetic number, because the mean of its divisors is an integer number (17412177426120).

Almost surely, 2^{100120020200121} is an apocalyptic number.

It is an amenable number.

100120020200121 is a deficient number, since it is larger than the sum of its proper divisors (39177399208839).

100120020200121 is a wasteful number, since it uses less digits than its factorization.

100120020200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451014785535.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100120020200121 its reverse (121002020021001), we get a palindrome (221122040221122).

The spelling of 100120020200121 in words is "one hundred trillion, one hundred twenty billion, twenty million, two hundred thousand, one hundred twenty-one".