20010122100102 has 16 divisors (see below), whose sum is σ = 42126572842560. Its totient is φ = 6318985926312.

The previous prime is 20010122100097. The next prime is 20010122100109. The reversal of 20010122100102 is 20100122101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010122100109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87763693308 + ... + 87763693535.

It is an arithmetic number, because the mean of its divisors is an integer number (2632910802660).

Almost surely, 2^{20010122100102} is an apocalyptic number.

20010122100102 is an abundant number, since it is smaller than the sum of its proper divisors (22116450742458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010122100102 is a wasteful number, since it uses less digits than its factorization.

20010122100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175527386867.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010122100102 its reverse (20100122101002), we get a palindrome (40110244201104).

The spelling of 20010122100102 in words is "twenty trillion, ten billion, one hundred twenty-two million, one hundred thousand, one hundred two".