11211011101010 has 32 divisors (see below), whose sum is σ = 23857915253760. Its totient is φ = 3711231260352.

The previous prime is 11211011101001. The next prime is 11211011101061. The reversal of 11211011101010 is 1010111011211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11211011100982 and 11211011101000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761330754 + ... + 2761334813.

It is an arithmetic number, because the mean of its divisors is an integer number (745559851680).

Almost surely, 2^{11211011101010} is an apocalyptic number.

11211011101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211011101010 is an abundant number, since it is smaller than the sum of its proper divisors (12646904152750).

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

11211011101010 is a wasteful number, since it uses less digits than its factorization.

11211011101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522665610.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11211011101010 its reverse (1010111011211), we get a palindrome (12221122112221).

The spelling of 11211011101010 in words is "eleven trillion, two hundred eleven billion, eleven million, one hundred one thousand, ten".