101021220101 has 8 divisors (see below), whose sum is σ = 101204172384. Its totient is φ = 100838349360.

The previous prime is 101021220037. The next prime is 101021220133. The reversal of 101021220101 is 101022120101.

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 101021220101 - 2⁶ = 101021220037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021220901) 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, 2809406 + ... + 2845136.

It is an arithmetic number, because the mean of its divisors is an integer number (12650521548).

Almost surely, 2^101021220101 is an apocalyptic number.

It is an amenable number.

101021220101 is a deficient number, since it is larger than the sum of its proper divisors (182952283).

101021220101 is an equidigital number, since it uses as much as digits as its factorization.

101021220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40771.

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

Adding to 101021220101 its reverse (101022120101), we get a palindrome (202043340202).

The spelling of 101021220101 in words is "one hundred one billion, twenty-one million, two hundred twenty thousand, one hundred one".