20010101100002 has 16 divisors (see below), whose sum is σ = 32327437286592. Its totient is φ = 9234451900560.

The previous prime is 20010101100001. The next prime is 20010101100007. The reversal of 20010101100002 is 20000110101002.

It is not an unprimeable number, because it can be changed into a prime (20010101100001) 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, 40557428 + ... + 41047839.

It is an arithmetic number, because the mean of its divisors is an integer number (2020464830412).

Almost surely, 2^{20010101100002} is an apocalyptic number.

20010101100002 is a deficient number, since it is larger than the sum of its proper divisors (12317336186590).

20010101100002 is a wasteful number, since it uses less digits than its factorization.

20010101100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81614713.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20010101100002 its reverse (20000110101002), we get a palindrome (40010211201004).

The spelling of 20010101100002 in words is "twenty trillion, ten billion, one hundred one million, one hundred thousand, two".