20101111210222 has 8 divisors (see below), whose sum is σ = 34459047788976. Its totient is φ = 8614761947232.

The previous prime is 20101111210217. The next prime is 20101111210247. The reversal of 20101111210222 is 22201211110102.

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 = 20101111210196 and 20101111210205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717896828923 + ... + 717896828950.

It is an arithmetic number, because the mean of its divisors is an integer number (4307380973622).

Almost surely, 2^{20101111210222} is an apocalyptic number.

20101111210222 is a deficient number, since it is larger than the sum of its proper divisors (14357936578754).

20101111210222 is a wasteful number, since it uses less digits than its factorization.

20101111210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435793657882.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20101111210222 its reverse (22201211110102), we get a palindrome (42302322320324).

The spelling of 20101111210222 in words is "twenty trillion, one hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-two".