1112021210000 has 50 divisors (see below), whose sum is σ = 2692314575742. Its totient is φ = 444808480000.

The previous prime is 1112021209991. The next prime is 1112021210009. The reversal of 1112021210000 is 121202111.

It is an interprime number because it is at equal distance from previous prime (1112021209991) and next prime (1112021210009).

It can be written as a sum of positive squares in 5 ways, for example, as 255485767936 + 856535442064 = 505456^2 + 925492^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (1112021210009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55591061 + ... + 55611060.

Almost surely, 2^{1112021210000} is an apocalyptic number.

1112021210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112021210000 is an abundant number, since it is smaller than the sum of its proper divisors (1580293365742).

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

1112021210000 is an equidigital number, since it uses as much as digits as its factorization.

1112021210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111202149 (or 111202128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112021210000 its reverse (121202111), we get a palindrome (1112142412111).

The spelling of 1112021210000 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred ten thousand".