102101010012101 has 4 divisors (see below), whose sum is σ = 102101034067500. Its totient is φ = 102100985956704.

The previous prime is 102101010012041. The next prime is 102101010012107. The reversal of 102101010012101 is 101210010101201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73733391844225 + 28367618167876 = 8586815^2 + 5326126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102101010012101 is a prime.

It is a super-2 number, since 2×102101010012101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101010012107) 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 3 ways as a sum of consecutive naturals, for example, 3772376 + ... + 14779473.

It is an arithmetic number, because the mean of its divisors is an integer number (25525258516875).

Almost surely, 2^{102101010012101} is an apocalyptic number.

It is an amenable number.

102101010012101 is a deficient number, since it is larger than the sum of its proper divisors (24055399).

102101010012101 is an equidigital number, since it uses as much as digits as its factorization.

102101010012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055398.

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

Adding to 102101010012101 its reverse (101210010101201), we get a palindrome (203311020113302).

The spelling of 102101010012101 in words is "one hundred two trillion, one hundred one billion, ten million, twelve thousand, one hundred one".