101212021101 has 8 divisors (see below), whose sum is σ = 142051959520. Its totient is φ = 63923381712.

The previous prime is 101212021093. The next prime is 101212021123. The reversal of 101212021101 is 101120212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101212021101 - 2³ = 101212021093 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 (101212021171) 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, 887824690 + ... + 887824803.

It is an arithmetic number, because the mean of its divisors is an integer number (17756494940).

Almost surely, 2^101212021101 is an apocalyptic number.

It is an amenable number.

101212021101 is a deficient number, since it is larger than the sum of its proper divisors (40839938419).

101212021101 is a wasteful number, since it uses less digits than its factorization.

101212021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775649515.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101212021101 its reverse (101120212101), we get a palindrome (202332233202).

The spelling of 101212021101 in words is "one hundred one billion, two hundred twelve million, twenty-one thousand, one hundred one".