1121022221110 has 64 divisors (see below), whose sum is σ = 2297226562560. Its totient is φ = 389880247680.

The previous prime is 1121022221101. The next prime is 1121022221119. The reversal of 1121022221110 is 111222201211.

It is an interprime number because it is at equal distance from previous prime (1121022221101) and next prime (1121022221119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022221119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34627111 + ... + 34659469.

It is an arithmetic number, because the mean of its divisors is an integer number (35894165040).

Almost surely, 2^{1121022221110} is an apocalyptic number.

1121022221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121022221110 is an abundant number, since it is smaller than the sum of its proper divisors (1176204341450).

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

1121022221110 is a wasteful number, since it uses less digits than its factorization.

1121022221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46093.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121022221110 its reverse (111222201211), we get a palindrome (1232244422321).

The spelling of 1121022221110 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-one thousand, one hundred ten".