101021202021 has 8 divisors (see below), whose sum is σ = 136028549664. Its totient is φ = 66680661200.

The previous prime is 101021202013. The next prime is 101021202031. The reversal of 101021202021 is 120202120101.

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 101021202021 - 2³ = 101021202013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021201988 and 101021202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166701351 + ... + 166701956.

It is an arithmetic number, because the mean of its divisors is an integer number (17003568708).

Almost surely, 2^101021202021 is an apocalyptic number.

It is an amenable number.

101021202021 is a deficient number, since it is larger than the sum of its proper divisors (35007347643).

101021202021 is a wasteful number, since it uses less digits than its factorization.

101021202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333403411.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101021202021 its reverse (120202120101), we get a palindrome (221223322122).

The spelling of 101021202021 in words is "one hundred one billion, twenty-one million, two hundred two thousand, twenty-one".