11210221011 has 16 divisors (see below), whose sum is σ = 16336978560. Its totient is φ = 6781072320.

The previous prime is 11210220929. The next prime is 11210221013. The reversal of 11210221011 is 11012201211.

It is not a de Polignac number, because 11210221011 - 2¹⁴ = 11210204627 is a prime.

It is a super-3 number, since 3×11210221011³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307506 + ... + 342023.

It is an arithmetic number, because the mean of its divisors is an integer number (1021061160).

Almost surely, 2^11210221011 is an apocalyptic number.

11210221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11210221011 is a deficient number, since it is larger than the sum of its proper divisors (5126757549).

11210221011 is a wasteful number, since it uses less digits than its factorization.

11210221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650066.

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

Adding to 11210221011 its reverse (11012201211), we get a palindrome (22222422222).

It can be divided in two parts, 11210 and 221011, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 11210221011 in words is "eleven billion, two hundred ten million, two hundred twenty-one thousand, eleven".