20110212222002 has 16 divisors (see below), whose sum is σ = 34960207969152. Its totient is φ = 8497272769440.

The previous prime is 20110212221963. The next prime is 20110212222011. The reversal of 20110212222002 is 20022221201102.

It is a happy number.

It is a super-2 number, since 2×20110212222002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115799923 + ... + 10115801910.

It is an arithmetic number, because the mean of its divisors is an integer number (2185012998072).

Almost surely, 2^{20110212222002} is an apocalyptic number.

20110212222002 is a deficient number, since it is larger than the sum of its proper divisors (14849995747150).

20110212222002 is a wasteful number, since it uses less digits than its factorization.

20110212222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20231601913.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20110212222002 its reverse (20022221201102), we get a palindrome (40132433423104).

The spelling of 20110212222002 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, two".