101202010100021 has 8 divisors (see below), whose sum is σ = 101408538792000. Its totient is φ = 100995496285248.

The previous prime is 101202010100017. The next prime is 101202010100053. The reversal of 101202010100021 is 120001010202101.

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 101202010100021 - 2² = 101202010100017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101202010099975 and 101202010100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202010100621) 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, 9950765 + ... + 17361501.

It is an arithmetic number, because the mean of its divisors is an integer number (12676067349000).

Almost surely, 2^{101202010100021} is an apocalyptic number.

It is an amenable number.

101202010100021 is a deficient number, since it is larger than the sum of its proper divisors (206528691979).

101202010100021 is an equidigital number, since it uses as much as digits as its factorization.

101202010100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438603.

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

Adding to 101202010100021 its reverse (120001010202101), we get a palindrome (221203020302122).

The spelling of 101202010100021 in words is "one hundred one trillion, two hundred two billion, ten million, one hundred thousand, twenty-one".