20010101010122 has 8 divisors (see below), whose sum is σ = 30030181642116. Its totient is φ = 10000040462752.

The previous prime is 20010101010113. The next prime is 20010101010127. The reversal of 20010101010122 is 22101010101002.

It can be written as a sum of positive squares in 2 ways, for example, as 17311016743801 + 2699084266321 = 4160651^2 + 1642889^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20010101010127) 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, 2505016163 + ... + 2505024150.

Almost surely, 2^{20010101010122} is an apocalyptic number.

20010101010122 is a deficient number, since it is larger than the sum of its proper divisors (10020080631994).

20010101010122 is a wasteful number, since it uses less digits than its factorization.

20010101010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010042312.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20010101010122 its reverse (22101010101002), we get a palindrome (42111111111124).

The spelling of 20010101010122 in words is "twenty trillion, ten billion, one hundred one million, ten thousand, one hundred twenty-two".