1122221131110 has 48 divisors (see below), whose sum is σ = 2926433105856. Its totient is φ = 298370951424.

The previous prime is 1122221131081. The next prime is 1122221131127. The reversal of 1122221131110 is 111311222211.

It is a happy number.

1122221131110 is a `hidden beast` number, since 1 + 122 + 221 + 1 + 311 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 18469854 + ... + 18530513.

It is an arithmetic number, because the mean of its divisors is an integer number (60967356372).

Almost surely, 2^{1122221131110} is an apocalyptic number.

1122221131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122221131110 is an abundant number, since it is smaller than the sum of its proper divisors (1804211974746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122221131110 is a wasteful number, since it uses less digits than its factorization.

1122221131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37000717 (or 37000714 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1122221131110 its reverse (111311222211), we get a palindrome (1233532353321).

The spelling of 1122221131110 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred ten".