11222122221110 has 16 divisors (see below), whose sum is σ = 20243448127296. Its totient is φ = 4479153748608.

The previous prime is 11222122221077. The next prime is 11222122221161. The reversal of 11222122221110 is 1112222122211.

It is a congruent number.

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, 1211887619 + ... + 1211896878.

It is an arithmetic number, because the mean of its divisors is an integer number (1265215507956).

Almost surely, 2^{11222122221110} is an apocalyptic number.

11222122221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222122221110 is a deficient number, since it is larger than the sum of its proper divisors (9021325906186).

11222122221110 is a wasteful number, since it uses less digits than its factorization.

11222122221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423784967.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222122221110 its reverse (1112222122211), we get a palindrome (12334344343321).

The spelling of 11222122221110 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".