102101112210101 has 4 divisors (see below), whose sum is σ = 102106943577900. Its totient is φ = 102095280842304.

The previous prime is 102101112210017. The next prime is 102101112210169. The reversal of 102101112210101 is 101012211101201.

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 8935645455025 + 93165466755076 = 2989255^2 + 9652226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102101112210101 is a prime.

It is a super-2 number, since 2×102101112210101² (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 (102101112210701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915657636 + ... + 2915692653.

It is an arithmetic number, because the mean of its divisors is an integer number (25526735894475).

Almost surely, 2^{102101112210101} is an apocalyptic number.

It is an amenable number.

102101112210101 is a deficient number, since it is larger than the sum of its proper divisors (5831367799).

102101112210101 is an equidigital number, since it uses as much as digits as its factorization.

102101112210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831367798.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102101112210101 its reverse (101012211101201), we get a palindrome (203113323311302).

The spelling of 102101112210101 in words is "one hundred two trillion, one hundred one billion, one hundred twelve million, two hundred ten thousand, one hundred one".