100021012010111 has 8 divisors (see below), whose sum is σ = 102149447963904. Its totient is φ = 97892589777880.

The previous prime is 100021012010063. The next prime is 100021012010159. The reversal of 100021012010111 is 111010210120001.

It is an interprime number because it is at equal distance from previous prime (100021012010063) and next prime (100021012010159).

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 100021012010111 - 2³⁸ = 99746134103167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021012010092 and 100021012010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021012016111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12037676 + ... + 18572766.

It is an arithmetic number, because the mean of its divisors is an integer number (12768680995488).

Almost surely, 2^{100021012010111} is an apocalyptic number.

100021012010111 is a deficient number, since it is larger than the sum of its proper divisors (2128435953793).

100021012010111 is an equidigital number, since it uses as much as digits as its factorization.

100021012010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860781.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100021012010111 its reverse (111010210120001), we get a palindrome (211031222130112).

The spelling of 100021012010111 in words is "one hundred trillion, twenty-one billion, twelve million, ten thousand, one hundred eleven".