1121100120010 has 16 divisors (see below), whose sum is σ = 2173209463656. Its totient is φ = 413944659648.

The previous prime is 1121100119999. The next prime is 1121100120029. The reversal of 1121100120010 is 100210011211.

It can be written as a sum of positive squares in 4 ways, for example, as 692471958201 + 428628161809 = 832149^2 + 654697^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4311923409 + ... + 4311923668.

Almost surely, 2^{1121100120010} is an apocalyptic number.

1121100120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121100120010 is a deficient number, since it is larger than the sum of its proper divisors (1052109343646).

1121100120010 is a wasteful number, since it uses less digits than its factorization.

1121100120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623847097.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121100120010 its reverse (100210011211), we get a palindrome (1221310131221).

The spelling of 1121100120010 in words is "one trillion, one hundred twenty-one billion, one hundred million, one hundred twenty thousand, ten".