102011201101 has 4 divisors (see below), whose sum is σ = 102012036412. Its totient is φ = 102010365792.

The previous prime is 102011201057. The next prime is 102011201107. The reversal of 102011201101 is 101102110201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10460175625 + 91551025476 = 102275^2 + 302574^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011201101 - 2⁹ = 102011200589 is a prime.

It is a super-2 number, since 2×102011201101² (a number of 23 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 (102011201107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194850 + ... + 491923.

It is an arithmetic number, because the mean of its divisors is an integer number (25503009103).

Almost surely, 2^102011201101 is an apocalyptic number.

It is an amenable number.

102011201101 is a deficient number, since it is larger than the sum of its proper divisors (835311).

102011201101 is an equidigital number, since it uses as much as digits as its factorization.

102011201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835310.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102011201101 its reverse (101102110201), we get a palindrome (203113311302).

The spelling of 102011201101 in words is "one hundred two billion, eleven million, two hundred one thousand, one hundred one".