102101002101011 has 4 divisors (see below), whose sum is σ = 102786243726000. Its totient is φ = 101415760476024.

The previous prime is 102101002100987. The next prime is 102101002101073. The reversal of 102101002101011 is 110101200101201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102101002101011 is a prime.

It is a super-2 number, since 2×102101002101011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101002100983 and 102101002101001.

It is not an unprimeable number, because it can be changed into a prime (102101002101811) 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, 342620812271 + ... + 342620812568.

It is an arithmetic number, because the mean of its divisors is an integer number (25696560931500).

Almost surely, 2^{102101002101011} is an apocalyptic number.

102101002101011 is a deficient number, since it is larger than the sum of its proper divisors (685241624989).

102101002101011 is an equidigital number, since it uses as much as digits as its factorization.

102101002101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685241624988.

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

Adding to 102101002101011 its reverse (110101200101201), we get a palindrome (212202202202212).

The spelling of 102101002101011 in words is "one hundred two trillion, one hundred one billion, two million, one hundred one thousand, eleven".