101201112021 has 8 divisors (see below), whose sum is σ = 136172750560. Its totient is φ = 66848440752.

The previous prime is 101201112011. The next prime is 101201112043. The reversal of 101201112021 is 120211102101.

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

It is not a de Polignac number, because 101201112021 - 2²³ = 101192723413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201111988 and 101201112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201112011) 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, 154741435 + ... + 154742088.

It is an arithmetic number, because the mean of its divisors is an integer number (17021593820).

Almost surely, 2^101201112021 is an apocalyptic number.

It is an amenable number.

101201112021 is a deficient number, since it is larger than the sum of its proper divisors (34971638539).

101201112021 is a wasteful number, since it uses less digits than its factorization.

101201112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309483635.

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

Adding to 101201112021 its reverse (120211102101), we get a palindrome (221412214122).

The spelling of 101201112021 in words is "one hundred one billion, two hundred one million, one hundred twelve thousand, twenty-one".