100000102021021 has 8 divisors (see below), whose sum is σ = 105891039526464. Its totient is φ = 94110117689280.

The previous prime is 100000102020943. The next prime is 100000102021087. The reversal of 100000102021021 is 120120201000001.

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

It is not a de Polignac number, because 100000102021021 - 2⁷ = 100000102020893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100000102020989 and 100000102021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000102022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238077415 + ... + 238497076.

It is an arithmetic number, because the mean of its divisors is an integer number (13236379940808).

Almost surely, 2^{100000102021021} is an apocalyptic number.

It is an amenable number.

100000102021021 is a deficient number, since it is larger than the sum of its proper divisors (5890937505443).

100000102021021 is a wasteful number, since it uses less digits than its factorization.

100000102021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476586851.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100000102021021 its reverse (120120201000001), we get a palindrome (220120303021022).

The spelling of 100000102021021 in words is "one hundred trillion, one hundred two million, twenty-one thousand, twenty-one".