110121221020220 has 12 divisors (see below), whose sum is σ = 231254564142504. Its totient is φ = 44048488408080.

The previous prime is 110121221020177. The next prime is 110121221020229. The reversal of 110121221020220 is 22020122121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121221020229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753030525486 + ... + 2753030525525.

It is an arithmetic number, because the mean of its divisors is an integer number (19271213678542).

Almost surely, 2^{110121221020220} is an apocalyptic number.

110121221020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121221020220 is an abundant number, since it is smaller than the sum of its proper divisors (121133343122284).

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

110121221020220 is a wasteful number, since it uses less digits than its factorization.

110121221020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506061051020 (or 5506061051018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110121221020220 its reverse (22020122121011), we get a palindrome (132141343141231).

The spelling of 110121221020220 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, twenty thousand, two hundred twenty".