11211021020110 has 16 divisors (see below), whose sum is σ = 20609196088896. Its totient is φ = 4388995463008.

The previous prime is 11211021020071. The next prime is 11211021020117. The reversal of 11211021020110 is 1102012011211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211021020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11926617637 + ... + 11926618576.

It is an arithmetic number, because the mean of its divisors is an integer number (1288074755556).

Almost surely, 2^{11211021020110} is an apocalyptic number.

11211021020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211021020110 is a deficient number, since it is larger than the sum of its proper divisors (9398175068786).

11211021020110 is a wasteful number, since it uses less digits than its factorization.

11211021020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23853236267.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11211021020110 its reverse (1102012011211), we get a palindrome (12313033031321).

The spelling of 11211021020110 in words is "eleven trillion, two hundred eleven billion, twenty-one million, twenty thousand, one hundred ten".