20010101111222 has 8 divisors (see below), whose sum is σ = 30034257433272. Its totient is φ = 9998681966800.

The previous prime is 20010101111183. The next prime is 20010101111227. The reversal of 20010101111222 is 22211110101002.

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 = 20010101111197 and 20010101111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010101111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184290479 + ... + 3184296762.

It is an arithmetic number, because the mean of its divisors is an integer number (3754282179159).

Almost surely, 2^{20010101111222} is an apocalyptic number.

20010101111222 is a deficient number, since it is larger than the sum of its proper divisors (10024156322050).

20010101111222 is a wasteful number, since it uses less digits than its factorization.

20010101111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368588814.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20010101111222 its reverse (22211110101002), we get a palindrome (42221211212224).

The spelling of 20010101111222 in words is "twenty trillion, ten billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".