1121132220210 has 96 divisors (see below), whose sum is σ = 3086730419760. Its totient is φ = 281353089024.

The previous prime is 1121132220181. The next prime is 1121132220253. The reversal of 1121132220210 is 120222311211.

1121132220210 is a `hidden beast` number, since 112 + 1 + 1 + 322 + 20 + 210 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 278457791481 + 842674428729 = 527691^2 + 917973^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17362344 + ... + 17426796.

Almost surely, 2^{1121132220210} is an apocalyptic number.

1121132220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121132220210 is an abundant number, since it is smaller than the sum of its proper divisors (1965598199550).

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

1121132220210 is a wasteful number, since it uses less digits than its factorization.

1121132220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75852 (or 75849 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121132220210 its reverse (120222311211), we get a palindrome (1241354531421).

The spelling of 1121132220210 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred twenty thousand, two hundred ten".