1100110220121 has 16 divisors (see below), whose sum is σ = 1613384791488. Its totient is φ = 666733464320.

The previous prime is 1100110220107. The next prime is 1100110220129. The reversal of 1100110220121 is 1210220110011.

It is not a de Polignac number, because 1100110220121 - 2¹³ = 1100110211929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100110220097 and 1100110220106.

It is not an unprimeable number, because it can be changed into a prime (1100110220129) 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, 137750856 + ... + 137758841.

It is an arithmetic number, because the mean of its divisors is an integer number (100836549468).

Almost surely, 2^{1100110220121} is an apocalyptic number.

1100110220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100110220121 is a deficient number, since it is larger than the sum of its proper divisors (513274571367).

1100110220121 is an equidigital number, since it uses as much as digits as its factorization.

1100110220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275509733 (or 275509711 counting only the distinct ones).

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

Adding to 1100110220121 its reverse (1210220110011), we get a palindrome (2310330330132).

It can be divided in two parts, 1100110 and 220121, that added together give a palindrome (1320231).

The spelling of 1100110220121 in words is "one trillion, one hundred billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-one".