20010111101222 has 8 divisors (see below), whose sum is σ = 32743818165672. Its totient is φ = 9095505046000.

The previous prime is 20010111101221. The next prime is 20010111101243. The reversal of 20010111101222 is 22210111101002.

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 = 20010111101197 and 20010111101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010111101221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454775252279 + ... + 454775252322.

It is an arithmetic number, because the mean of its divisors is an integer number (4092977270709).

Almost surely, 2^{20010111101222} is an apocalyptic number.

20010111101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010111101222 is a deficient number, since it is larger than the sum of its proper divisors (12733707064450).

20010111101222 is a wasteful number, since it uses less digits than its factorization.

20010111101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909550504614.

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

Adding to 20010111101222 its reverse (22210111101002), we get a palindrome (42220222202224).

The spelling of 20010111101222 in words is "twenty trillion, ten billion, one hundred eleven million, one hundred one thousand, two hundred twenty-two".