20102101001222 has 16 divisors (see below), whose sum is σ = 30342772841040. Its totient is φ = 9987902106912.

The previous prime is 20102101001219. The next prime is 20102101001231. The reversal of 20102101001222 is 22210010120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102101001197 and 20102101001206.

It is a congruent number.

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, 13994033 + ... + 15363500.

It is an arithmetic number, because the mean of its divisors is an integer number (1896423302565).

Almost surely, 2^{20102101001222} is an apocalyptic number.

20102101001222 is a deficient number, since it is larger than the sum of its proper divisors (10240671839818).

20102101001222 is a wasteful number, since it uses less digits than its factorization.

20102101001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29359687.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102101001222 its reverse (22210010120102), we get a palindrome (42312111121324).

The spelling of 20102101001222 in words is "twenty trillion, one hundred two billion, one hundred one million, one thousand, two hundred twenty-two".