1111200120010 has 16 divisors (see below), whose sum is σ = 2032949728872. Its totient is φ = 437193489600.

The previous prime is 1111200119989. The next prime is 1111200120061. The reversal of 1111200120010 is 100210021111.

It can be written as a sum of positive squares in 4 ways, for example, as 331173777529 + 780026342481 = 575477^2 + 883191^2 .

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910819161 + ... + 910820380.

Almost surely, 2^{1111200120010} is an apocalyptic number.

1111200120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111200120010 is a deficient number, since it is larger than the sum of its proper divisors (921749608862).

1111200120010 is a wasteful number, since it uses less digits than its factorization.

1111200120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821639609.

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

Adding to 1111200120010 its reverse (100210021111), we get a palindrome (1211410141121).

The spelling of 1111200120010 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, ten".