110211212120020 has 96 divisors (see below), whose sum is σ = 267240850531200. Its totient is φ = 37757733465600.

The previous prime is 110211212120003. The next prime is 110211212120029. The reversal of 110211212120020 is 20021212112011.

It is a super-2 number, since 2×110211212120020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110211212119976 and 110211212120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211212120029) 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, 72078555 + ... + 73591714.

It is an arithmetic number, because the mean of its divisors is an integer number (2783758859700).

Almost surely, 2^{110211212120020} is an apocalyptic number.

110211212120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110211212120020 is an abundant number, since it is smaller than the sum of its proper divisors (157029638411180).

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

110211212120020 is a wasteful number, since it uses less digits than its factorization.

110211212120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145670489 (or 145670487 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110211212120020 its reverse (20021212112011), we get a palindrome (130232424232031).

The spelling of 110211212120020 in words is "one hundred ten trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty thousand, twenty".