20101102222 has 8 divisors (see below), whose sum is σ = 30793178016. Its totient is φ = 9836709552.

The previous prime is 20101102207. The next prime is 20101102279. The reversal of 20101102222 is 22220110102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106920663 + ... + 106920850.

It is an arithmetic number, because the mean of its divisors is an integer number (3849147252).

Almost surely, 2^20101102222 is an apocalyptic number.

20101102222 is a deficient number, since it is larger than the sum of its proper divisors (10692075794).

20101102222 is a wasteful number, since it uses less digits than its factorization.

20101102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213841562.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101102222 its reverse (22220110102), we get a palindrome (42321212324).

The spelling of 20101102222 in words is "twenty billion, one hundred one million, one hundred two thousand, two hundred twenty-two".