100102010210021 has 8 divisors (see below), whose sum is σ = 105780539158080. Its totient is φ = 94464481471488.

The previous prime is 100102010210011. The next prime is 100102010210053. The reversal of 100102010210021 is 120012010201001.

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-100102010210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102010209984 and 100102010210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102010210011) 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, 10250047361 + ... + 10250057126.

It is an arithmetic number, because the mean of its divisors is an integer number (13222567394760).

Almost surely, 2^{100102010210021} is an apocalyptic number.

It is an amenable number.

100102010210021 is a deficient number, since it is larger than the sum of its proper divisors (5678528948059).

100102010210021 is a wasteful number, since it uses less digits than its factorization.

100102010210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500104763.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100102010210021 its reverse (120012010201001), we get a palindrome (220114020411022).

The spelling of 100102010210021 in words is "one hundred trillion, one hundred two billion, ten million, two hundred ten thousand, twenty-one".