1121222211110 has 32 divisors (see below), whose sum is σ = 2053155250080. Its totient is φ = 440726591488.

The previous prime is 1121222211103. The next prime is 1121222211133. The reversal of 1121222211110 is 111122221211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279124 + ... + 1969416.

It is an arithmetic number, because the mean of its divisors is an integer number (64161101565).

Almost surely, 2^{1121222211110} is an apocalyptic number.

1121222211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121222211110 is a deficient number, since it is larger than the sum of its proper divisors (931933038970).

1121222211110 is a wasteful number, since it uses less digits than its factorization.

1121222211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693112.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121222211110 its reverse (111122221211), we get a palindrome (1232344432321).

It can be divided in two parts, 112122 and 2211110, that added together give a palindrome (2323232).

The spelling of 1121222211110 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred ten".