20110110220212 has 24 divisors (see below), whose sum is σ = 47031959095296. Its totient is φ = 6687888847488.

The previous prime is 20110110220199. The next prime is 20110110220217. The reversal of 20110110220212 is 21202201101102.

It is a junction number, because it is equal to n+sod(n) for n = 20110110220191 and 20110110220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110110220217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935147828 + ... + 1935158219.

It is an arithmetic number, because the mean of its divisors is an integer number (1959664962304).

Almost surely, 2^{20110110220212} is an apocalyptic number.

It is an amenable number.

20110110220212 is an abundant number, since it is smaller than the sum of its proper divisors (26921848875084).

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

20110110220212 is a wasteful number, since it uses less digits than its factorization.

20110110220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870306487 (or 3870306485 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20110110220212 its reverse (21202201101102), we get a palindrome (41312311321314).

The spelling of 20110110220212 in words is "twenty trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, two hundred twelve".