110121021210020 has 96 divisors (see below), whose sum is σ = 243583924214400. Its totient is φ = 41702905728000.

The previous prime is 110121021209959. The next prime is 110121021210023. The reversal of 110121021210020 is 20012120121011.

It is a junction number, because it is equal to n+sod(n) for n = 110121021209977 and 110121021210004.

It is not an unprimeable number, because it can be changed into a prime (110121021210023) 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, 7859604815 + ... + 7859618825.

It is an arithmetic number, because the mean of its divisors is an integer number (2537332543900).

Almost surely, 2^{110121021210020} is an apocalyptic number.

110121021210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121021210020 is an abundant number, since it is smaller than the sum of its proper divisors (133462903004380).

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

110121021210020 is a wasteful number, since it uses less digits than its factorization.

110121021210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26029 (or 26027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110121021210020 its reverse (20012120121011), we get a palindrome (130133141331031).

The spelling of 110121021210020 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty-one million, two hundred ten thousand, twenty".