102101010210101 has 16 divisors (see below), whose sum is σ = 123955147958400. Its totient is φ = 82148457123648.

The previous prime is 102101010210091. The next prime is 102101010210109. The reversal of 102101010210101 is 101012010101201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102101010210101 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 (102101010210109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3521438570 + ... + 3521467563.

It is an arithmetic number, because the mean of its divisors is an integer number (7747196747400).

Almost surely, 2^{102101010210101} is an apocalyptic number.

It is an amenable number.

102101010210101 is a deficient number, since it is larger than the sum of its proper divisors (21854137748299).

102101010210101 is a wasteful number, since it uses less digits than its factorization.

102101010210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042906268.

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

Adding to 102101010210101 its reverse (101012010101201), we get a palindrome (203113020311302).

The spelling of 102101010210101 in words is "one hundred two trillion, one hundred one billion, ten million, two hundred ten thousand, one hundred one".