1100020121211 has 8 divisors (see below), whose sum is σ = 1600029267264. Its totient is φ = 666678861320.

The previous prime is 1100020121183. The next prime is 1100020121219. The reversal of 1100020121211 is 1121210200011.

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 1100020121211 - 2¹⁸ = 1100019859067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100020121219) 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, 16666971501 + ... + 16666971566.

It is an arithmetic number, because the mean of its divisors is an integer number (200003658408).

Almost surely, 2^{1100020121211} is an apocalyptic number.

1100020121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100020121211 is a deficient number, since it is larger than the sum of its proper divisors (500009146053).

1100020121211 is a wasteful number, since it uses less digits than its factorization.

1100020121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333943081.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100020121211 its reverse (1121210200011), we get a palindrome (2221230321222).

The spelling of 1100020121211 in words is "one trillion, one hundred billion, twenty million, one hundred twenty-one thousand, two hundred eleven".