102101200021111 has 8 divisors (see below), whose sum is σ = 102437980810704. Its totient is φ = 101764511653440.

The previous prime is 102101200021097. The next prime is 102101200021189. The reversal of 102101200021111 is 111120002101201.

It is a happy number.

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 102101200021111 - 2²⁵ = 102101166466679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101200021091 and 102101200021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101200031111) 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, 20892030 + ... + 25311643.

It is an arithmetic number, because the mean of its divisors is an integer number (12804747601338).

Almost surely, 2^{102101200021111} is an apocalyptic number.

102101200021111 is a deficient number, since it is larger than the sum of its proper divisors (336780789593).

102101200021111 is an equidigital number, since it uses as much as digits as its factorization.

102101200021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46210961.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101200021111 its reverse (111120002101201), we get a palindrome (213221202122312).

The spelling of 102101200021111 in words is "one hundred two trillion, one hundred one billion, two hundred million, twenty-one thousand, one hundred eleven".