11111020020210 has 64 divisors (see below), whose sum is σ = 29378697128064. Its totient is φ = 2666911488000.

The previous prime is 11111020020187. The next prime is 11111020020251. The reversal of 11111020020210 is 1202002011111.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 166648639 + ... + 166715298.

It is an arithmetic number, because the mean of its divisors is an integer number (459042142626).

Almost surely, 2^{11111020020210} is an apocalyptic number.

11111020020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111020020210 is an abundant number, since it is smaller than the sum of its proper divisors (18267677107854).

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

11111020020210 is a wasteful number, since it uses less digits than its factorization.

11111020020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333364059.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111020020210 its reverse (1202002011111), we get a palindrome (12313022031321).

The spelling of 11111020020210 in words is "eleven trillion, one hundred eleven billion, twenty million, twenty thousand, two hundred ten".