1101101220220 has 12 divisors (see below), whose sum is σ = 2312312562504. Its totient is φ = 440440488080.

The previous prime is 1101101220217. The next prime is 1101101220251. The reversal of 1101101220220 is 220221011011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101101220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27527530486 + ... + 27527530525.

It is an arithmetic number, because the mean of its divisors is an integer number (192692713542).

Almost surely, 2^{1101101220220} is an apocalyptic number.

1101101220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101101220220 is an abundant number, since it is smaller than the sum of its proper divisors (1211211342284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101101220220 is a wasteful number, since it uses less digits than its factorization.

1101101220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055061020 (or 55055061018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1101101220220 its reverse (220221011011), we get a palindrome (1321322231231).

The spelling of 1101101220220 in words is "one trillion, one hundred one billion, one hundred one million, two hundred twenty thousand, two hundred twenty".