20110102021222 has 8 divisors (see below), whose sum is σ = 30274052502096. Its totient is φ = 10018751187192.

The previous prime is 20110102021201. The next prime is 20110102021231. The reversal of 20110102021222 is 22212020101102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20110102021196 and 20110102021205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18149911018 + ... + 18149912125.

It is an arithmetic number, because the mean of its divisors is an integer number (3784256562762).

Almost surely, 2^{20110102021222} is an apocalyptic number.

20110102021222 is a deficient number, since it is larger than the sum of its proper divisors (10163950480874).

20110102021222 is a wasteful number, since it uses less digits than its factorization.

20110102021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36299823422.

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

Adding to 20110102021222 its reverse (22212020101102), we get a palindrome (42322122122324).

The spelling of 20110102021222 in words is "twenty trillion, one hundred ten billion, one hundred two million, twenty-one thousand, two hundred twenty-two".