1100220121011 has 64 divisors (see below), whose sum is σ = 1638070156800. Its totient is φ = 651272970240.

The previous prime is 1100220121001. The next prime is 1100220121043. The reversal of 1100220121011 is 1101210220011.

It is not a de Polignac number, because 1100220121011 - 2¹³ = 1100220112819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100220121001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142900440 + ... + 142908138.

It is an arithmetic number, because the mean of its divisors is an integer number (25594846200).

Almost surely, 2^{1100220121011} is an apocalyptic number.

1100220121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100220121011 is a deficient number, since it is larger than the sum of its proper divisors (537850035789).

1100220121011 is a wasteful number, since it uses less digits than its factorization.

1100220121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356.

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

Adding to 1100220121011 its reverse (1101210220011), we get a palindrome (2201430341022).

The spelling of 1100220121011 in words is "one trillion, one hundred billion, two hundred twenty million, one hundred twenty-one thousand, eleven".