20101310310222 has 24 divisors (see below), whose sum is σ = 45845093690760. Its totient is φ = 6347782203120.

The previous prime is 20101310310217. The next prime is 20101310310251. The reversal of 20101310310222 is 22201301310102.

20101310310222 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 131 + 0 + 310 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20101310310195 and 20101310310204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29387880229 + ... + 29387880912.

It is an arithmetic number, because the mean of its divisors is an integer number (1910212237115).

Almost surely, 2^{20101310310222} is an apocalyptic number.

20101310310222 is an abundant number, since it is smaller than the sum of its proper divisors (25743783380538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101310310222 is a wasteful number, since it uses less digits than its factorization.

20101310310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775761168 (or 58775761165 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20101310310222 its reverse (22201301310102), we get a palindrome (42302611620324).

The spelling of 20101310310222 in words is "twenty trillion, one hundred one billion, three hundred ten million, three hundred ten thousand, two hundred twenty-two".