11221221022210 has 16 divisors (see below), whose sum is σ = 20482679500992. Its totient is φ = 4425270262000.

The previous prime is 11221221022201. The next prime is 11221221022259. The reversal of 11221221022210 is 1222012212211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7902267616 + ... + 7902269035.

It is an arithmetic number, because the mean of its divisors is an integer number (1280167468812).

Almost surely, 2^{11221221022210} is an apocalyptic number.

11221221022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221221022210 is a deficient number, since it is larger than the sum of its proper divisors (9261458478782).

11221221022210 is a wasteful number, since it uses less digits than its factorization.

11221221022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804536729.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221221022210 its reverse (1222012212211), we get a palindrome (12443233234421).

The spelling of 11221221022210 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-one million, twenty-two thousand, two hundred ten".