102101210011111 has 8 divisors (see below), whose sum is σ = 103926940352784. Its totient is φ = 100280380960320.

The previous prime is 102101210011091. The next prime is 102101210011123. The reversal of 102101210011111 is 111110012101201.

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 102101210011111 - 2¹⁷ = 102101209880039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101210011091 and 102101210011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101210011511) 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, 1225280686 + ... + 1225364011.

It is an arithmetic number, because the mean of its divisors is an integer number (12990867544098).

Almost surely, 2^{102101210011111} is an apocalyptic number.

102101210011111 is a deficient number, since it is larger than the sum of its proper divisors (1825730341673).

102101210011111 is an equidigital number, since it uses as much as digits as its factorization.

102101210011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450645441.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102101210011111 its reverse (111110012101201), we get a palindrome (213211222112312).

The spelling of 102101210011111 in words is "one hundred two trillion, one hundred one billion, two hundred ten million, eleven thousand, one hundred eleven".