102011000111 has 4 divisors (see below), whose sum is σ = 102033769824. Its totient is φ = 101988230400.

The previous prime is 102011000107. The next prime is 102011000129. The reversal of 102011000111 is 111000110201.

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 102011000111 - 2² = 102011000107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011003111) 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, 11378135 + ... + 11387096.

It is an arithmetic number, because the mean of its divisors is an integer number (25508442456).

Almost surely, 2^102011000111 is an apocalyptic number.

102011000111 is a deficient number, since it is larger than the sum of its proper divisors (22769713).

102011000111 is an equidigital number, since it uses as much as digits as its factorization.

102011000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769712.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 102011000111 its reverse (111000110201), we get a palindrome (213011110312).

The spelling of 102011000111 in words is "one hundred two billion, eleven million, one hundred eleven", and thus it is an aban number.