102110101011 has 48 divisors (see below), whose sum is σ = 155281622496. Its totient is φ = 67040752896.

The previous prime is 102110101003. The next prime is 102110101031. The reversal of 102110101011 is 110101011201.

It is not a de Polignac number, because 102110101011 - 2³ = 102110101003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102110100984 and 102110101002.

It is not an unprimeable number, because it can be changed into a prime (102110101001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12998761 + ... + 13006613.

It is an arithmetic number, because the mean of its divisors is an integer number (3235033802).

Almost surely, 2^102110101011 is an apocalyptic number.

102110101011 is a deficient number, since it is larger than the sum of its proper divisors (53171521485).

102110101011 is an frugal number, since it uses more digits than its factorization.

102110101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674 (or 8662 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 102110101011 its reverse (110101011201), we get a palindrome (212211112212).

The spelling of 102110101011 in words is "one hundred two billion, one hundred ten million, one hundred one thousand, eleven".