102011202011 has 4 divisors (see below), whose sum is σ = 102013959024. Its totient is φ = 102008445000.

The previous prime is 102011201987. The next prime is 102011202037. The reversal of 102011202011 is 110202110201.

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

It is a cyclic number.

It is not a de Polignac number, because 102011202011 - 2⁶ = 102011201947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011201983 and 102011202001.

It is not an unprimeable number, because it can be changed into a prime (102011202911) 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, 1322240 + ... + 1397261.

It is an arithmetic number, because the mean of its divisors is an integer number (25503489756).

Almost surely, 2^102011202011 is an apocalyptic number.

102011202011 is a deficient number, since it is larger than the sum of its proper divisors (2757013).

102011202011 is an equidigital number, since it uses as much as digits as its factorization.

102011202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102011202011 its reverse (110202110201), we get a palindrome (212213312212).

The spelling of 102011202011 in words is "one hundred two billion, eleven million, two hundred two thousand, eleven".