1100120220210 has 128 divisors (see below), whose sum is σ = 3076735705344. Its totient is φ = 248786370560.

The previous prime is 1100120220197. The next prime is 1100120220217. The reversal of 1100120220210 is 120220210011.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100120220217) 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, 233769 + ... + 1501628.

It is an arithmetic number, because the mean of its divisors is an integer number (24036997698).

Almost surely, 2^{1100120220210} is an apocalyptic number.

1100120220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100120220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538367852672).

1100120220210 is an abundant number, since it is smaller than the sum of its proper divisors (1976615485134).

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

1100120220210 is a wasteful number, since it uses less digits than its factorization.

1100120220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735548.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100120220210 its reverse (120220210011), we get a palindrome (1220340430221).

The spelling of 1100120220210 in words is "one trillion, one hundred billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".