1100021201111 has 16 divisors (see below), whose sum is σ = 1270584403200. Its totient is φ = 932835497280.

The previous prime is 1100021201107. The next prime is 1100021201137. The reversal of 1100021201111 is 1111021200011.

It is a cyclic number.

It is not a de Polignac number, because 1100021201111 - 2² = 1100021201107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100021201092 and 1100021201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021251111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394961 + ... + 1534938.

It is an arithmetic number, because the mean of its divisors is an integer number (79411525200).

Almost surely, 2^{1100021201111} is an apocalyptic number.

1100021201111 is a deficient number, since it is larger than the sum of its proper divisors (170563202089).

1100021201111 is a wasteful number, since it uses less digits than its factorization.

1100021201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930774.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100021201111 its reverse (1111021200011), we get a palindrome (2211042401122).

The spelling of 1100021201111 in words is "one trillion, one hundred billion, twenty-one million, two hundred one thousand, one hundred eleven".