10111011011010 has 288 divisors, whose sum is σ = 32945216391360. Its totient is φ = 2132521364736.

The previous prime is 10111011010973. The next prime is 10111011011053. The reversal of 10111011011010 is 1011011011101.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111011010983 and 10111011011001.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 161581989 + ... + 161644551.

It is an arithmetic number, because the mean of its divisors is an integer number (114393112470).

Almost surely, 2^{10111011011010} is an apocalyptic number.

10111011011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111011011010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16472608195680).

10111011011010 is an abundant number, since it is smaller than the sum of its proper divisors (22834205380350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111011011010 is a wasteful number, since it uses less digits than its factorization.

10111011011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65422 (or 65412 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10111011011010 its reverse (1011011011101), we get a palindrome (11122022022111).

Subtracting from 10111011011010 its reverse (1011011011101), we obtain a palindrome (9099999999909).

The spelling of 10111011011010 in words is "ten trillion, one hundred eleven billion, eleven million, eleven thousand, ten".