1110201200021 has 8 divisors (see below), whose sum is σ = 1116656977464. Its totient is φ = 1103745864640.

The previous prime is 1110201199999. The next prime is 1110201200083. The reversal of 1110201200021 is 1200021020111.

It can be written as a sum of positive squares in 4 ways, for example, as 1020372718225 + 89828481796 = 1010135^2 + 299714^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110201200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110201199975 and 1110201200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110201200321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861615 + ... + 6048051.

It is an arithmetic number, because the mean of its divisors is an integer number (139582122183).

Almost surely, 2^{1110201200021} is an apocalyptic number.

It is an amenable number.

1110201200021 is a deficient number, since it is larger than the sum of its proper divisors (6455777443).

1110201200021 is a wasteful number, since it uses less digits than its factorization.

1110201200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221031.

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

Adding to 1110201200021 its reverse (1200021020111), we get a palindrome (2310222220132).

The spelling of 1110201200021 in words is "one trillion, one hundred ten billion, two hundred one million, two hundred thousand, twenty-one".