102011023311 has 4 divisors (see below), whose sum is σ = 136014697752. Its totient is φ = 68007348872.

The previous prime is 102011023267. The next prime is 102011023339. The reversal of 102011023311 is 113320110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113320110201 = 3 ⋅37773370067.

It is a cyclic number.

It is not a de Polignac number, because 102011023311 - 2¹¹ = 102011021263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011023811) 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, 17001837216 + ... + 17001837221.

It is an arithmetic number, because the mean of its divisors is an integer number (34003674438).

Almost surely, 2^102011023311 is an apocalyptic number.

102011023311 is a deficient number, since it is larger than the sum of its proper divisors (34003674441).

102011023311 is an equidigital number, since it uses as much as digits as its factorization.

102011023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34003674440.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102011023311 its reverse (113320110201), we get a palindrome (215331133512).

The spelling of 102011023311 in words is "one hundred two billion, eleven million, twenty-three thousand, three hundred eleven".