20101222020122 has 8 divisors (see below), whose sum is σ = 30160073498400. Its totient is φ = 10047864187324.

The previous prime is 20101222020083. The next prime is 20101222020161. The reversal of 20101222020122 is 22102022210102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20101222020083) and next prime (20101222020161).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20101222020122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373402222 + ... + 1373416857.

It is an arithmetic number, because the mean of its divisors is an integer number (3770009187300).

Almost surely, 2^{20101222020122} is an apocalyptic number.

20101222020122 is a deficient number, since it is larger than the sum of its proper divisors (10058851478278).

20101222020122 is a wasteful number, since it uses less digits than its factorization.

20101222020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746822740.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20101222020122 its reverse (22102022210102), we get a palindrome (42203244230224).

The spelling of 20101222020122 in words is "twenty trillion, one hundred one billion, two hundred twenty-two million, twenty thousand, one hundred twenty-two".