20010202112122 has 8 divisors (see below), whose sum is σ = 30034097977716. Its totient is φ = 9998836119552.

The previous prime is 20010202112053. The next prime is 20010202112129. The reversal of 20010202112122 is 22121120201002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18375616849041 + 1634585263081 = 4286679^2 + 1278509^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20010202112096 and 20010202112105.

It is not an unprimeable number, because it can be changed into a prime (20010202112129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3132464263 + ... + 3132470650.

Almost surely, 2^{20010202112122} is an apocalyptic number.

20010202112122 is a deficient number, since it is larger than the sum of its proper divisors (10023895865594).

20010202112122 is a wasteful number, since it uses less digits than its factorization.

20010202112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264936512.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20010202112122 its reverse (22121120201002), we get a palindrome (42131322313124).

The spelling of 20010202112122 in words is "twenty trillion, ten billion, two hundred two million, one hundred twelve thousand, one hundred twenty-two".