101021100112021 has 8 divisors (see below), whose sum is σ = 101121960780288. Its totient is φ = 100920243198000.

The previous prime is 101021100112007. The next prime is 101021100112027. The reversal of 101021100112021 is 120211001120101.

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 not a de Polignac number, because 101021100112021 - 2³⁹ = 100471344298133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021100111992 and 101021100112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021100112027) 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, 54540636 + ... + 56362426.

It is an arithmetic number, because the mean of its divisors is an integer number (12640245097536).

Almost surely, 2^{101021100112021} is an apocalyptic number.

It is an amenable number.

101021100112021 is a deficient number, since it is larger than the sum of its proper divisors (100860668267).

101021100112021 is a wasteful number, since it uses less digits than its factorization.

101021100112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877123.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101021100112021 its reverse (120211001120101), we get a palindrome (221232101232122).

The spelling of 101021100112021 in words is "one hundred one trillion, twenty-one billion, one hundred million, one hundred twelve thousand, twenty-one".