101020112021 has 8 divisors (see below), whose sum is σ = 104978688000. Its totient is φ = 97105277520.

The previous prime is 101020111999. The next prime is 101020112099. The reversal of 101020112021 is 120211020101.

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 101020112021 - 2⁶ = 101020111957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020111993 and 101020112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020112621) 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, 10930661 + ... + 10939898.

It is an arithmetic number, because the mean of its divisors is an integer number (13122336000).

Almost surely, 2^101020112021 is an apocalyptic number.

It is an amenable number.

101020112021 is a deficient number, since it is larger than the sum of its proper divisors (3958575979).

101020112021 is a wasteful number, since it uses less digits than its factorization.

101020112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870739.

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

Adding to 101020112021 its reverse (120211020101), we get a palindrome (221231132122).

The spelling of 101020112021 in words is "one hundred one billion, twenty million, one hundred twelve thousand, twenty-one".