101001001111021 has 8 divisors (see below), whose sum is σ = 110194593473088. Its totient is φ = 91809355944000.

The previous prime is 101001001111019. The next prime is 101001001111037. The reversal of 101001001111021 is 120111100100101.

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 101001001111021 - 2¹ = 101001001111019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001001110989 and 101001001111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001001111051) 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, 486690300 + ... + 486897781.

It is an arithmetic number, because the mean of its divisors is an integer number (13774324184136).

Almost surely, 2^{101001001111021} is an apocalyptic number.

101001001111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101001001111021 is a deficient number, since it is larger than the sum of its proper divisors (9193592362067).

101001001111021 is an equidigital number, since it uses as much as digits as its factorization.

101001001111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973597523.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101001001111021 its reverse (120111100100101), we get a palindrome (221112101211122).

The spelling of 101001001111021 in words is "one hundred one trillion, one billion, one million, one hundred eleven thousand, twenty-one".