20130101222 has 32 divisors (see below), whose sum is σ = 38446894080. Its totient is φ = 7676023680.

The previous prime is 20130101207. The next prime is 20130101237. The reversal of 20130101222 is 22210103102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20130101207) and next prime (20130101237).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20130101197 and 20130101206.

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 15 ways as a sum of consecutive naturals, for example, 1383347 + ... + 1397822.

It is an arithmetic number, because the mean of its divisors is an integer number (1201465440).

Almost surely, 2^20130101222 is an apocalyptic number.

20130101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20130101222 is a deficient number, since it is larger than the sum of its proper divisors (18316792858).

20130101222 is a wasteful number, since it uses less digits than its factorization.

20130101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781236.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20130101222 its reverse (22210103102), we get a palindrome (42340204324).

The spelling of 20130101222 in words is "twenty billion, one hundred thirty million, one hundred one thousand, two hundred twenty-two".