1020201220110 has 64 divisors (see below), whose sum is σ = 2507658962688. Its totient is φ = 265489830144.

The previous prime is 1020201220061. The next prime is 1020201220117. The reversal of 1020201220110 is 110221020201.

1020201220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096554 + ... + 1800786.

It is an arithmetic number, because the mean of its divisors is an integer number (39182171292).

Almost surely, 2^{1020201220110} is an apocalyptic number.

1020201220110 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 1020201220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253829481344).

1020201220110 is an abundant number, since it is smaller than the sum of its proper divisors (1487457742578).

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

1020201220110 is a wasteful number, since it uses less digits than its factorization.

1020201220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705409.

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

Adding to 1020201220110 its reverse (110221020201), we get a palindrome (1130422240311).

The spelling of 1020201220110 in words is "one trillion, twenty billion, two hundred one million, two hundred twenty thousand, one hundred ten".