102011103311 has 4 divisors (see below), whose sum is σ = 109858111272. Its totient is φ = 94164095352.

The previous prime is 102011103301. The next prime is 102011103373. The reversal of 102011103311 is 113301110201.

It is a happy number.

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 102011103311 - 2²² = 102006909007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011103301) 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, 3923503961 + ... + 3923503986.

It is an arithmetic number, because the mean of its divisors is an integer number (27464527818).

Almost surely, 2^102011103311 is an apocalyptic number.

102011103311 is a deficient number, since it is larger than the sum of its proper divisors (7847007961).

102011103311 is an equidigital number, since it uses as much as digits as its factorization.

102011103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847007960.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 102011103311 its reverse (113301110201), we get a palindrome (215312213512).

The spelling of 102011103311 in words is "one hundred two billion, eleven million, one hundred three thousand, three hundred eleven".