11131220210 has 32 divisors (see below), whose sum is σ = 22103280000. Its totient is φ = 4002232960.

The previous prime is 11131220209. The next prime is 11131220279. The reversal of 11131220210 is 1202213111.

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 15 ways as a sum of consecutive naturals, for example, 558710 + ... + 578289.

It is an arithmetic number, because the mean of its divisors is an integer number (690727500).

Almost surely, 2^11131220210 is an apocalyptic number.

11131220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131220210 is a deficient number, since it is larger than the sum of its proper divisors (10972059790).

11131220210 is a wasteful number, since it uses less digits than its factorization.

11131220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137106.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11131220210 its reverse (1202213111), we get a palindrome (12333433321).

The spelling of 11131220210 in words is "eleven billion, one hundred thirty-one million, two hundred twenty thousand, two hundred ten".