1000221200111 has 8 divisors (see below), whose sum is σ = 1210351704480. Its totient is φ = 806901136128.

The previous prime is 1000221200101. The next prime is 1000221200161. The reversal of 1000221200111 is 1110021220001.

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-1000221200111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000221200092 and 1000221200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000221200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202609966 + ... + 4202610203.

It is an arithmetic number, because the mean of its divisors is an integer number (151293963060).

Almost surely, 2^{1000221200111} is an apocalyptic number.

1000221200111 is a deficient number, since it is larger than the sum of its proper divisors (210130504369).

1000221200111 is an equidigital number, since it uses as much as digits as its factorization.

1000221200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405220193.

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

Adding to 1000221200111 its reverse (1110021220001), we get a palindrome (2110242420112).

The spelling of 1000221200111 in words is "one trillion, two hundred twenty-one million, two hundred thousand, one hundred eleven".