20101010222 has 32 divisors (see below), whose sum is σ = 33464448864. Its totient is φ = 9013939200.

The previous prime is 20101010219. The next prime is 20101010227. The reversal of 20101010222 is 22201010102.

It is a happy number.

It is a super-2 number, since 2×20101010222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101010227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 107729 + ... + 227612.

It is an arithmetic number, because the mean of its divisors is an integer number (1045764027).

Almost surely, 2^20101010222 is an apocalyptic number.

20101010222 is a deficient number, since it is larger than the sum of its proper divisors (13363438642).

20101010222 is a wasteful number, since it uses less digits than its factorization.

20101010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335444.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20101010222 its reverse (22201010102), we get a palindrome (42302020324).

It can be divided in two parts, 201010102 and 22, that multiplied together give a palindrome (4422222244).

The spelling of 20101010222 in words is "twenty billion, one hundred one million, ten thousand, two hundred twenty-two".