1012221200111 has 8 divisors (see below), whose sum is σ = 1106864215248. Its totient is φ = 918015336000.

The previous prime is 1012221200051. The next prime is 1012221200141. The reversal of 1012221200111 is 1110021222101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012221200111 - 2¹⁸ = 1012220937967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012221200141) 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, 109282910 + ... + 109292171.

It is an arithmetic number, because the mean of its divisors is an integer number (138358026906).

Almost surely, 2^{1012221200111} is an apocalyptic number.

1012221200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012221200111 is a deficient number, since it is larger than the sum of its proper divisors (94643015137).

1012221200111 is a wasteful number, since it uses less digits than its factorization.

1012221200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218575513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012221200111 its reverse (1110021222101), we get a palindrome (2122242422212).

The spelling of 1012221200111 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred thousand, one hundred eleven".