101012011021 has 8 divisors (see below), whose sum is σ = 102031753824. Its totient is φ = 99992653200.

The previous prime is 101012010923. The next prime is 101012011043. The reversal of 101012011021 is 120110210101.

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 101012011021 - 2⁹ = 101012010509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101012010989 and 101012011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012011621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446526 + ... + 633568.

It is an arithmetic number, because the mean of its divisors is an integer number (12753969228).

Almost surely, 2^101012011021 is an apocalyptic number.

It is an amenable number.

101012011021 is a deficient number, since it is larger than the sum of its proper divisors (1019742803).

101012011021 is a wasteful number, since it uses less digits than its factorization.

101012011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192491.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101012011021 its reverse (120110210101), we get a palindrome (221122221122).

The spelling of 101012011021 in words is "one hundred one billion, twelve million, eleven thousand, twenty-one".