212210110110220 has 24 divisors (see below), whose sum is σ = 445739759219664. Its totient is φ = 84865276808256.

The previous prime is 212210110110151. The next prime is 212210110110247. The reversal of 212210110110220 is 22011011012212.

It is a super-3 number, since 3×212210110110220³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212210110110194 and 212210110110203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172859519 + ... + 1173040438.

It is an arithmetic number, because the mean of its divisors is an integer number (18572489967486).

Almost surely, 2^{212210110110220} is an apocalyptic number.

212210110110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210110110220 is an abundant number, since it is smaller than the sum of its proper divisors (233529649109444).

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

212210110110220 is a wasteful number, since it uses less digits than its factorization.

212210110110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345904489 (or 2345904487 counting only the distinct ones).

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

Adding to 212210110110220 its reverse (22011011012212), we get a palindrome (234221121122432).

The spelling of 212210110110220 in words is "two hundred twelve trillion, two hundred ten billion, one hundred ten million, one hundred ten thousand, two hundred twenty".