220102100020212 has 96 divisors (see below), whose sum is σ = 532816950758400. Its totient is φ = 70664968600320.

The previous prime is 220102100020211. The next prime is 220102100020219. The reversal of 220102100020212 is 212020001201022.

It is a junction number, because it is equal to n+sod(n) for n = 220102100020191 and 220102100020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102100020211) 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, 55203223 + ... + 59055905.

It is an arithmetic number, because the mean of its divisors is an integer number (5550176570400).

Almost surely, 2^{220102100020212} is an apocalyptic number.

It is an amenable number.

220102100020212 is an abundant number, since it is smaller than the sum of its proper divisors (312714850738188).

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

220102100020212 is a wasteful number, since it uses less digits than its factorization.

220102100020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854213 (or 3854211 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220102100020212 its reverse (212020001201022), we get a palindrome (432122101221234).

The spelling of 220102100020212 in words is "two hundred twenty trillion, one hundred two billion, one hundred million, twenty thousand, two hundred twelve".