12210101112220 has 48 divisors (see below), whose sum is σ = 28249184478816. Its totient is φ = 4396076000000.

The previous prime is 12210101112197. The next prime is 12210101112247. The reversal of 12210101112220 is 2221110101221.

It is a junction number, because it is equal to n+sod(n) for n = 12210101112194 and 12210101112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274732531 + ... + 274776970.

It is an arithmetic number, because the mean of its divisors is an integer number (588524676642).

Almost surely, 2^{12210101112220} is an apocalyptic number.

12210101112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210101112220 is an abundant number, since it is smaller than the sum of its proper divisors (16039083366596).

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

12210101112220 is a wasteful number, since it uses less digits than its factorization.

12210101112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549509622 (or 549509620 counting only the distinct ones).

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

Adding to 12210101112220 its reverse (2221110101221), we get a palindrome (14431211213441).

It can be divided in two parts, 12210101 and 112220, that added together give a palindrome (12322321).

The spelling of 12210101112220 in words is "twelve trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred twenty".