100102020002021 has 8 divisors (see below), whose sum is σ = 100641883104000. Its totient is φ = 99563399394160.

The previous prime is 100102020002003. The next prime is 100102020002027. The reversal of 100102020002021 is 120200020201001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102020002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102020001993 and 100102020002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102020002027) 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, 310461965 + ... + 310784226.

It is an arithmetic number, because the mean of its divisors is an integer number (12580235388000).

Almost surely, 2^{100102020002021} is an apocalyptic number.

It is an amenable number.

100102020002021 is a deficient number, since it is larger than the sum of its proper divisors (539863101979).

100102020002021 is an equidigital number, since it uses as much as digits as its factorization.

100102020002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621247059.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100102020002021 its reverse (120200020201001), we get a palindrome (220302040203022).

The spelling of 100102020002021 in words is "one hundred trillion, one hundred two billion, twenty million, two thousand, twenty-one".