11222211022010 has 16 divisors (see below), whose sum is σ = 20200352981256. Its totient is φ = 4488801488448.

The previous prime is 11222211022007. The next prime is 11222211022079. The reversal of 11222211022010 is 1022011222211.

It can be written as a sum of positive squares in 4 ways, for example, as 10056046450129 + 1166164571881 = 3171127^2 + 1079891^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11222211022010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9795137 + ... + 10880676.

Almost surely, 2^{11222211022010} is an apocalyptic number.

11222211022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222211022010 is a deficient number, since it is larger than the sum of its proper divisors (8978141959246).

11222211022010 is a wasteful number, since it uses less digits than its factorization.

11222211022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20730097.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11222211022010 its reverse (1022011222211), we get a palindrome (12244222244221).

The spelling of 11222211022010 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, twenty-two thousand, ten".