11221022100211 has 32 divisors (see below), whose sum is σ = 14485498214400. Its totient is φ = 8434422622080.

The previous prime is 11221022100121. The next prime is 11221022100283. The reversal of 11221022100211 is 11200122012211.

It is not a de Polignac number, because 11221022100211 - 2⁷ = 11221022100083 is a prime.

It is a super-2 number, since 2×11221022100211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221022100311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141910 + ... + 4739428.

It is an arithmetic number, because the mean of its divisors is an integer number (452671819200).

Almost surely, 2^{11221022100211} is an apocalyptic number.

11221022100211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221022100211 is a deficient number, since it is larger than the sum of its proper divisors (3264476114189).

11221022100211 is a wasteful number, since it uses less digits than its factorization.

11221022100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598659.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221022100211 its reverse (11200122012211), we get a palindrome (22421144112422).

The spelling of 11221022100211 in words is "eleven trillion, two hundred twenty-one billion, twenty-two million, one hundred thousand, two hundred eleven".