1111211312010 has 32 divisors (see below), whose sum is σ = 2717226155520. Its totient is φ = 290732015808.

The previous prime is 1111211311993. The next prime is 1111211312053. The reversal of 1111211312010 is 102131121111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 349435930 + ... + 349439109.

It is an arithmetic number, because the mean of its divisors is an integer number (84913317360).

Almost surely, 2^{1111211312010} is an apocalyptic number.

1111211312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111211312010 is an abundant number, since it is smaller than the sum of its proper divisors (1606014843510).

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

1111211312010 is a wasteful number, since it uses less digits than its factorization.

1111211312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698875102.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1111211312010 its reverse (102131121111), we get a palindrome (1213342433121).

The spelling of 1111211312010 in words is "one trillion, one hundred eleven billion, two hundred eleven million, three hundred twelve thousand, ten".