20221000101222 has 16 divisors (see below), whose sum is σ = 40599362074032. Its totient is φ = 6714106388480.

The previous prime is 20221000101173. The next prime is 20221000101227. The reversal of 20221000101222 is 22210100012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221000101227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6556742979 + ... + 6556746062.

It is an arithmetic number, because the mean of its divisors is an integer number (2537460129627).

Almost surely, 2^{20221000101222} is an apocalyptic number.

20221000101222 is an abundant number, since it is smaller than the sum of its proper divisors (20378361972810).

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

20221000101222 is a wasteful number, since it uses less digits than its factorization.

20221000101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113489303.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221000101222 its reverse (22210100012202), we get a palindrome (42431100113424).

The spelling of 20221000101222 in words is "twenty trillion, two hundred twenty-one billion, one hundred one thousand, two hundred twenty-two".