102011100311 has 4 divisors (see below), whose sum is σ = 102300083952. Its totient is φ = 101722116672.

The previous prime is 102011100307. The next prime is 102011100319. The reversal of 102011100311 is 113001110201.

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: 113001110201 = 7 ⋅16143015743.

It is a cyclic number.

It is not a de Polignac number, because 102011100311 - 2² = 102011100307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011100292 and 102011100301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011100319) 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, 144491291 + ... + 144491996.

It is an arithmetic number, because the mean of its divisors is an integer number (25575020988).

Almost surely, 2^102011100311 is an apocalyptic number.

102011100311 is a deficient number, since it is larger than the sum of its proper divisors (288983641).

102011100311 is an equidigital number, since it uses as much as digits as its factorization.

102011100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288983640.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 102011100311 its reverse (113001110201), we get a palindrome (215012210512).

The spelling of 102011100311 in words is "one hundred two billion, eleven million, one hundred thousand, three hundred eleven".