1111200021010 has 8 divisors (see below), whose sum is σ = 2000160037836. Its totient is φ = 444480008400.

The previous prime is 1111200020981. The next prime is 1111200021053. The reversal of 1111200021010 is 101200021111.

It can be written as a sum of positive squares in 2 ways, for example, as 1021916788201 + 89283232809 = 1010899^2 + 298803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 111120002101 = 1111200021010 / (1 + 1 + 1 + 1 + 2 + 0 + 0 + 0 + 2 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55560001041 + ... + 55560001060.

Almost surely, 2^{1111200021010} is an apocalyptic number.

1111200021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111200021010 is a deficient number, since it is larger than the sum of its proper divisors (888960016826).

1111200021010 is a wasteful number, since it uses less digits than its factorization.

1111200021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111120002108.

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

Adding to 1111200021010 its reverse (101200021111), we get a palindrome (1212400042121).

The spelling of 1111200021010 in words is "one trillion, one hundred eleven billion, two hundred million, twenty-one thousand, ten".