101012010020021 has 8 divisors (see below), whose sum is σ = 101435507750400. Its totient is φ = 100589361835248.

The previous prime is 101012010020017. The next prime is 101012010020023. The reversal of 101012010020021 is 120020010210101.

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 101012010020021 - 2² = 101012010020017 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 = 101012010019984 and 101012010020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012010020023) 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, 212148101 + ... + 212623706.

It is an arithmetic number, because the mean of its divisors is an integer number (12679438468800).

Almost surely, 2^{101012010020021} is an apocalyptic number.

It is an amenable number.

101012010020021 is a deficient number, since it is larger than the sum of its proper divisors (423497730379).

101012010020021 is an equidigital number, since it uses as much as digits as its factorization.

101012010020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424772803.

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

Adding to 101012010020021 its reverse (120020010210101), we get a palindrome (221032020230122).

The spelling of 101012010020021 in words is "one hundred one trillion, twelve billion, ten million, twenty thousand, twenty-one".