20110212100222 has 16 divisors (see below), whose sum is σ = 31167039209472. Its totient is φ = 9721795827960.

The previous prime is 20110212100217. The next prime is 20110212100229. The reversal of 20110212100222 is 22200121201102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20110212100196 and 20110212100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110212100229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149131438 + ... + 149266225.

It is an arithmetic number, because the mean of its divisors is an integer number (1947939950592).

Almost surely, 2^{20110212100222} is an apocalyptic number.

20110212100222 is a deficient number, since it is larger than the sum of its proper divisors (11056827109250).

20110212100222 is a wasteful number, since it uses less digits than its factorization.

20110212100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298398783.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20110212100222 its reverse (22200121201102), we get a palindrome (42310333301324).

The spelling of 20110212100222 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, one hundred thousand, two hundred twenty-two".