102111001010101 has 8 divisors (see below), whose sum is σ = 103123894477824. Its totient is φ = 101098144669200.

The previous prime is 102111001010069. The next prime is 102111001010141. The reversal of 102111001010101 is 101010100111201.

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 102111001010101 - 2⁵ = 102111001010069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111001010141) 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, 3737421 + ... + 14771266.

It is an arithmetic number, because the mean of its divisors is an integer number (12890486809728).

Almost surely, 2^{102111001010101} is an apocalyptic number.

It is an amenable number.

102111001010101 is a deficient number, since it is larger than the sum of its proper divisors (1012893467723).

102111001010101 is a wasteful number, since it uses less digits than its factorization.

102111001010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563411.

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

Adding to 102111001010101 its reverse (101010100111201), we get a palindrome (203121101121302).

The spelling of 102111001010101 in words is "one hundred two trillion, one hundred eleven billion, one million, ten thousand, one hundred one".